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The total of male and female populations in a city increased by $25 \%$ from $1970$ to $1980.$ During the same period, the male population increased by $40 \%$ while the female population increased by $20 \%.$ From $1980$ to $1990,$ the female population increased by $25 \%.$ In $1990,$ if the female population is twice the male population, then the percentage increase in the total of male and female populations in the city from $1970$ to $1990$ is 

  1. $69.25$
  2. $68.75$
  3. $68.50$
  4. $68.25$ 
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