Home / 87,960,376.20-132,192,506.70-76,874,910.60

Finding the Fourth Proportional to 87,960,376.20, 132,192,506.70 and 76,874,910.60

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Solution

The fourth proportional to 87,960,376.20, 132,192,506.70 and 76,874,910.60 is: 115,532,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960,376.20 : 132,192,506.70 = 76,874,910.60 : x
  2. Step 2: Convert to fraction form
    87,960,376.20/132,192,506.70 = 76,874,910.60/x
  3. Step 3: Cross multiply
    87,960,376.20x = 132,192,506.70 × 76,874,910.60
  4. Step 4: Simplify right side
    87,960,376.20x = 10,162,287,134,552,400
  5. Step 5: Solve for x
    x = 10,162,287,134,552,400/87,960,376.20
  6. Step 6: Final answer
    x = 115,532,556.52

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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.