a/20=b/30=c/40=d/50=e/60=f/70=g/80=k
a=20k
b=30k
c=40k
d=50k
e=60k
f=70k
g=80k
k(20+30+40+50+60+70+80)=70 000 000
350k=70 000 000
k=200 000
=>a/20=200 000 =>a=4 000 000
=>b/30=200 000 =>b=6 000 000
=>c/40=200 000 =>c=8 000 000
=>d/50=200 000 =>d=10 000 000
=>e/60=200 000 =>e=12 000 000
=>f/70=200 000 =>f=14 000 000
=>g/80=200 000 =>g=16 000 000