so sorry x/y=2/3

Call the numbers of men and women are x, y

we have 36(x+y)=45x+30y => 6y=9x => x/y = 3/2

The ratio of the men to the women is 3/2

We have A*B*C=1 so B*C can not equal 0 but B*C*D=0 so D=0