Home / 87,414,097.60-131,121,146.40-82,935,121.60

Finding the Fourth Proportional to 87,414,097.60, 131,121,146.40 and 82,935,121.60

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Solution

The fourth proportional to 87,414,097.60, 131,121,146.40 and 82,935,121.60 is: 124,402,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414,097.60 : 131,121,146.40 = 82,935,121.60 : x
  2. Step 2: Convert to fraction form
    87,414,097.60/131,121,146.40 = 82,935,121.60/x
  3. Step 3: Cross multiply
    87,414,097.60x = 131,121,146.40 × 82,935,121.60
  4. Step 4: Simplify right side
    87,414,097.60x = 10,874,548,221,015,402
  5. Step 5: Solve for x
    x = 10,874,548,221,015,402/87,414,097.60
  6. Step 6: Final answer
    x = 124,402,682.40

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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.