Home / 67,337,402.76-101,005,494.93-21,279,279.36

Finding the Fourth Proportional to 67,337,402.76, 101,005,494.93 and 21,279,279.36

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Solution

The fourth proportional to 67,337,402.76, 101,005,494.93 and 21,279,279.36 is: 31,918,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,337,402.76 : 101,005,494.93 = 21,279,279.36 : x
  2. Step 2: Convert to fraction form
    67,337,402.76/101,005,494.93 = 21,279,279.36/x
  3. Step 3: Cross multiply
    67,337,402.76x = 101,005,494.93 × 21,279,279.36
  4. Step 4: Simplify right side
    67,337,402.76x = 2,149,324,143,510,533.75
  5. Step 5: Solve for x
    x = 2,149,324,143,510,533.75/67,337,402.76
  6. Step 6: Final answer
    x = 31,918,726.52

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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.