Home / 87,912,526.50-121,319,286.57-48,760,298.46

Finding the Fourth Proportional to 87,912,526.50, 121,319,286.57 and 48,760,298.46

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Solution

The fourth proportional to 87,912,526.50, 121,319,286.57 and 48,760,298.46 is: 67,289,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,526.50 : 121,319,286.57 = 48,760,298.46 : x
  2. Step 2: Convert to fraction form
    87,912,526.50/121,319,286.57 = 48,760,298.46/x
  3. Step 3: Cross multiply
    87,912,526.50x = 121,319,286.57 × 48,760,298.46
  4. Step 4: Simplify right side
    87,912,526.50x = 5,915,564,622,107,469
  5. Step 5: Solve for x
    x = 5,915,564,622,107,469/87,912,526.50
  6. Step 6: Final answer
    x = 67,289,211.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.