Finding the Fourth Proportional to 194,691,812.40, 292,037,718.60 and 118,101,322.80
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Solution
The fourth proportional to 194,691,812.40, 292,037,718.60 and 118,101,322.80 is: 177,151,984.20
Step by Step Solution
- Step 1: Write the proportion equation
194,691,812.40 : 292,037,718.60 = 118,101,322.80 : x - Step 2: Convert to fraction form
194,691,812.40/292,037,718.60 = 118,101,322.80/x - Step 3: Cross multiply
194,691,812.40x = 292,037,718.60 × 118,101,322.80 - Step 4: Simplify right side
194,691,812.40x = 34,490,040,874,154,168 - Step 5: Solve for x
x = 34,490,040,874,154,168/194,691,812.40 - Step 6: Final answer
x = 177,151,984.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.