Finding the Fourth Proportional to 138,442,004.68, 207,647,143.98 and 36,215,909.32
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Solution
The fourth proportional to 138,442,004.68, 207,647,143.98 and 36,215,909.32 is: 54,319,714.27
Step by Step Solution
- Step 1: Write the proportion equation
138,442,004.68 : 207,647,143.98 = 36,215,909.32 : x - Step 2: Convert to fraction form
138,442,004.68/207,647,143.98 = 36,215,909.32/x - Step 3: Cross multiply
138,442,004.68x = 207,647,143.98 × 36,215,909.32 - Step 4: Simplify right side
138,442,004.68x = 7,520,130,136,936,664 - Step 5: Solve for x
x = 7,520,130,136,936,664/138,442,004.68 - Step 6: Final answer
x = 54,319,714.27
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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.