Home / 87,960,369.20-132,192,496.20-76,874,903.60

Finding the Fourth Proportional to 87,960,369.20, 132,192,496.20 and 76,874,903.60

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Solution

The fourth proportional to 87,960,369.20, 132,192,496.20 and 76,874,903.60 is: 115,532,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960,369.20 : 132,192,496.20 = 76,874,903.60 : x
  2. Step 2: Convert to fraction form
    87,960,369.20/132,192,496.20 = 76,874,903.60/x
  3. Step 3: Cross multiply
    87,960,369.20x = 132,192,496.20 × 76,874,903.60
  4. Step 4: Simplify right side
    87,960,369.20x = 10,162,285,402,018,366
  5. Step 5: Solve for x
    x = 10,162,285,402,018,366/87,960,369.20
  6. Step 6: Final answer
    x = 115,532,546.01

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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.