Home / 84,780,800.20-127,187,789.10-36,258,560.20

Finding the Fourth Proportional to 84,780,800.20, 127,187,789.10 and 36,258,560.20

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Solution

The fourth proportional to 84,780,800.20, 127,187,789.10 and 36,258,560.20 is: 54,394,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,780,800.20 : 127,187,789.10 = 36,258,560.20 : x
  2. Step 2: Convert to fraction form
    84,780,800.20/127,187,789.10 = 36,258,560.20/x
  3. Step 3: Cross multiply
    84,780,800.20x = 127,187,789.10 × 36,258,560.20
  4. Step 4: Simplify right side
    84,780,800.20x = 4,611,646,107,787,254
  5. Step 5: Solve for x
    x = 4,611,646,107,787,254/84,780,800.20
  6. Step 6: Final answer
    x = 54,394,934.90

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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.