Home / 87,795,275.50-131,665,000.65-82,063,670.14

Finding the Fourth Proportional to 87,795,275.50, 131,665,000.65 and 82,063,670.14

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Solution

The fourth proportional to 87,795,275.50, 131,665,000.65 and 82,063,670.14 is: 123,069,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795,275.50 : 131,665,000.65 = 82,063,670.14 : x
  2. Step 2: Convert to fraction form
    87,795,275.50/131,665,000.65 = 82,063,670.14/x
  3. Step 3: Cross multiply
    87,795,275.50x = 131,665,000.65 × 82,063,670.14
  4. Step 4: Simplify right side
    87,795,275.50x = 10,804,913,182,324,486
  5. Step 5: Solve for x
    x = 10,804,913,182,324,486/87,795,275.50
  6. Step 6: Final answer
    x = 123,069,414.85

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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.