Finding the Fourth Proportional to 68,302,929.72, 102,290,227.80 and 39,068,139.24
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Solution
The fourth proportional to 68,302,929.72, 102,290,227.80 and 39,068,139.24 is: 58,508,308.19
Step by Step Solution
- Step 1: Write the proportion equation
68,302,929.72 : 102,290,227.80 = 39,068,139.24 : x - Step 2: Convert to fraction form
68,302,929.72/102,290,227.80 = 39,068,139.24/x - Step 3: Cross multiply
68,302,929.72x = 102,290,227.80 × 39,068,139.24 - Step 4: Simplify right side
68,302,929.72x = 3,996,288,862,581,719 - Step 5: Solve for x
x = 3,996,288,862,581,719/68,302,929.72 - Step 6: Final answer
x = 58,508,308.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.