Home / 122,552,997.68-169,123,479.72-67,549,072.88

Finding the Fourth Proportional to 122,552,997.68, 169,123,479.72 and 67,549,072.88

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Solution

The fourth proportional to 122,552,997.68, 169,123,479.72 and 67,549,072.88 is: 93,217,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,552,997.68 : 169,123,479.72 = 67,549,072.88 : x
  2. Step 2: Convert to fraction form
    122,552,997.68/169,123,479.72 = 67,549,072.88/x
  3. Step 3: Cross multiply
    122,552,997.68x = 169,123,479.72 × 67,549,072.88
  4. Step 4: Simplify right side
    122,552,997.68x = 11,424,134,257,325,482
  5. Step 5: Solve for x
    x = 11,424,134,257,325,482/122,552,997.68
  6. Step 6: Final answer
    x = 93,217,909.59

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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.