Finding the Fourth Proportional to 86,252,369.61, 129,302,971.29 and 32,437,472.97
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Solution
The fourth proportional to 86,252,369.61, 129,302,971.29 and 32,437,472.97 is: 48,627,784.43
Step by Step Solution
- Step 1: Write the proportion equation
86,252,369.61 : 129,302,971.29 = 32,437,472.97 : x - Step 2: Convert to fraction form
86,252,369.61/129,302,971.29 = 32,437,472.97/x - Step 3: Cross multiply
86,252,369.61x = 129,302,971.29 × 32,437,472.97 - Step 4: Simplify right side
86,252,369.61x = 4,194,261,636,160,061 - Step 5: Solve for x
x = 4,194,261,636,160,061/86,252,369.61 - Step 6: Final answer
x = 48,627,784.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.