Home / 87,960,266.20-132,192,341.70-76,874,800.60

Finding the Fourth Proportional to 87,960,266.20, 132,192,341.70 and 76,874,800.60

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Solution

The fourth proportional to 87,960,266.20, 132,192,341.70 and 76,874,800.60 is: 115,532,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960,266.20 : 132,192,341.70 = 76,874,800.60 : x
  2. Step 2: Convert to fraction form
    87,960,266.20/132,192,341.70 = 76,874,800.60/x
  3. Step 3: Cross multiply
    87,960,266.20x = 132,192,341.70 × 76,874,800.60
  4. Step 4: Simplify right side
    87,960,266.20x = 10,162,259,909,034,564
  5. Step 5: Solve for x
    x = 10,162,259,909,034,564/87,960,266.20
  6. Step 6: Final answer
    x = 115,532,391.48

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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.