Total production of rice
= 45 + 48 + 59 + 41 + 37 + 68 + 57 + 38
= 393 million tons
Total production of wheat
= 103 + 86 +32 + 37 + 22 + 15 + 8 + 28
= 331 million tons
Required proportion = Total production of rice : Total production of wheat
= 393 : 331 ≈ 1.2 : 1.