Finding the Fourth Proportional to 87,369,663.70, 131,138,476.35 and 44,287,513.30
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Solution
The fourth proportional to 87,369,663.70, 131,138,476.35 and 44,287,513.30 is: 66,473,839.65
Step by Step Solution
- Step 1: Write the proportion equation
87,369,663.70 : 131,138,476.35 = 44,287,513.30 : x - Step 2: Convert to fraction form
87,369,663.70/131,138,476.35 = 44,287,513.30/x - Step 3: Cross multiply
87,369,663.70x = 131,138,476.35 × 44,287,513.30 - Step 4: Simplify right side
87,369,663.70x = 5,807,797,015,492,360 - Step 5: Solve for x
x = 5,807,797,015,492,360/87,369,663.70 - Step 6: Final answer
x = 66,473,839.65
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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.