Finding the Fourth Proportional to 129,096,971, 193,645,338.18 and 40,466,179.09
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Solution
The fourth proportional to 129,096,971, 193,645,338.18 and 40,466,179.09 is: 60,699,231.55
Step by Step Solution
- Step 1: Write the proportion equation
129,096,971 : 193,645,338.18 = 40,466,179.09 : x - Step 2: Convert to fraction form
129,096,971/193,645,338.18 = 40,466,179.09/x - Step 3: Cross multiply
129,096,971x = 193,645,338.18 × 40,466,179.09 - Step 4: Simplify right side
129,096,971x = 7,836,086,935,371,357 - Step 5: Solve for x
x = 7,836,086,935,371,357/129,096,971 - Step 6: Final answer
x = 60,699,231.55
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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.