Home / 87,960,464.70-132,192,639.45-76,874,999.10

Finding the Fourth Proportional to 87,960,464.70, 132,192,639.45 and 76,874,999.10

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Solution

The fourth proportional to 87,960,464.70, 132,192,639.45 and 76,874,999.10 is: 115,532,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960,464.70 : 132,192,639.45 = 76,874,999.10 : x
  2. Step 2: Convert to fraction form
    87,960,464.70/132,192,639.45 = 76,874,999.10/x
  3. Step 3: Cross multiply
    87,960,464.70x = 132,192,639.45 × 76,874,999.10
  4. Step 4: Simplify right side
    87,960,464.70x = 10,162,309,038,745,374
  5. Step 5: Solve for x
    x = 10,162,309,038,745,374/87,960,464.70
  6. Step 6: Final answer
    x = 115,532,689.30

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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.