Finding the Fourth Proportional to 87,276,617.50, 130,915,582.35 and 38,741,423.17
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Solution
The fourth proportional to 87,276,617.50, 130,915,582.35 and 38,741,423.17 is: 58,112,425.99
Step by Step Solution
- Step 1: Write the proportion equation
87,276,617.50 : 130,915,582.35 = 38,741,423.17 : x - Step 2: Convert to fraction form
87,276,617.50/130,915,582.35 = 38,741,423.17/x - Step 3: Cross multiply
87,276,617.50x = 130,915,582.35 × 38,741,423.17 - Step 4: Simplify right side
87,276,617.50x = 5,071,855,975,368,333 - Step 5: Solve for x
x = 5,071,855,975,368,333/87,276,617.50 - Step 6: Final answer
x = 58,112,425.99
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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.