Finding the Fourth Proportional to 56,331,989.10, 84,352,458.87 and 38,878,402.59
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Solution
The fourth proportional to 56,331,989.10, 84,352,458.87 and 38,878,402.59 is: 58,217,167.68
Step by Step Solution
- Step 1: Write the proportion equation
56,331,989.10 : 84,352,458.87 = 38,878,402.59 : x - Step 2: Convert to fraction form
56,331,989.10/84,352,458.87 = 38,878,402.59/x - Step 3: Cross multiply
56,331,989.10x = 84,352,458.87 × 38,878,402.59 - Step 4: Simplify right side
56,331,989.10x = 3,279,488,855,404,277 - Step 5: Solve for x
x = 3,279,488,855,404,277/56,331,989.10 - Step 6: Final answer
x = 58,217,167.68
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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.