Home / 87,960,467.20-132,192,643.20-76,875,001.60

Finding the Fourth Proportional to 87,960,467.20, 132,192,643.20 and 76,875,001.60

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Solution

The fourth proportional to 87,960,467.20, 132,192,643.20 and 76,875,001.60 is: 115,532,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960,467.20 : 132,192,643.20 = 76,875,001.60 : x
  2. Step 2: Convert to fraction form
    87,960,467.20/132,192,643.20 = 76,875,001.60/x
  3. Step 3: Cross multiply
    87,960,467.20x = 132,192,643.20 × 76,875,001.60
  4. Step 4: Simplify right side
    87,960,467.20x = 10,162,309,657,508,228
  5. Step 5: Solve for x
    x = 10,162,309,657,508,228/87,960,467.20
  6. Step 6: Final answer
    x = 115,532,693.05

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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.