Finding the Fourth Proportional to 138,442,006.18, 207,647,146.23 and 36,215,910.82
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Solution
The fourth proportional to 138,442,006.18, 207,647,146.23 and 36,215,910.82 is: 54,319,716.52
Step by Step Solution
- Step 1: Write the proportion equation
138,442,006.18 : 207,647,146.23 = 36,215,910.82 : x - Step 2: Convert to fraction form
138,442,006.18/207,647,146.23 = 36,215,910.82/x - Step 3: Cross multiply
138,442,006.18x = 207,647,146.23 × 36,215,910.82 - Step 4: Simplify right side
138,442,006.18x = 7,520,130,529,893,179 - Step 5: Solve for x
x = 7,520,130,529,893,179/138,442,006.18 - Step 6: Final answer
x = 54,319,716.52
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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.