Finding the Fourth Proportional to 56,272,062.92, 77,655,446.84 and 30,517,950.92
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Solution
The fourth proportional to 56,272,062.92, 77,655,446.84 and 30,517,950.92 is: 42,114,772.27
Step by Step Solution
- Step 1: Write the proportion equation
56,272,062.92 : 77,655,446.84 = 30,517,950.92 : x - Step 2: Convert to fraction form
56,272,062.92/77,655,446.84 = 30,517,950.92/x - Step 3: Cross multiply
56,272,062.92x = 77,655,446.84 × 30,517,950.92 - Step 4: Simplify right side
56,272,062.92x = 2,369,885,115,296,665 - Step 5: Solve for x
x = 2,369,885,115,296,665/56,272,062.92 - Step 6: Final answer
x = 42,114,772.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.