Finding the Fourth Proportional to 86,784,101.94, 130,171,934.43 and 32,207,320.14
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Solution
The fourth proportional to 86,784,101.94, 130,171,934.43 and 32,207,320.14 is: 48,309,414.65
Step by Step Solution
- Step 1: Write the proportion equation
86,784,101.94 : 130,171,934.43 = 32,207,320.14 : x - Step 2: Convert to fraction form
86,784,101.94/130,171,934.43 = 32,207,320.14/x - Step 3: Cross multiply
86,784,101.94x = 130,171,934.43 × 32,207,320.14 - Step 4: Simplify right side
86,784,101.94x = 4,192,489,165,430,098.50 - Step 5: Solve for x
x = 4,192,489,165,430,098.50/86,784,101.94 - Step 6: Final answer
x = 48,309,414.65
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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.