Home / 87,414,401.60-131,121,602.40-82,935,425.60

Finding the Fourth Proportional to 87,414,401.60, 131,121,602.40 and 82,935,425.60

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Solution

The fourth proportional to 87,414,401.60, 131,121,602.40 and 82,935,425.60 is: 124,403,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414,401.60 : 131,121,602.40 = 82,935,425.60 : x
  2. Step 2: Convert to fraction form
    87,414,401.60/131,121,602.40 = 82,935,425.60/x
  3. Step 3: Cross multiply
    87,414,401.60x = 131,121,602.40 × 82,935,425.60
  4. Step 4: Simplify right side
    87,414,401.60x = 10,874,625,900,397,982
  5. Step 5: Solve for x
    x = 10,874,625,900,397,982/87,414,401.60
  6. Step 6: Final answer
    x = 124,403,138.40

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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.