Home / 122,907,008.28-169,609,691.66-67,151,230.68

Finding the Fourth Proportional to 122,907,008.28, 169,609,691.66 and 67,151,230.68

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Solution

The fourth proportional to 122,907,008.28, 169,609,691.66 and 67,151,230.68 is: 92,667,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,907,008.28 : 169,609,691.66 = 67,151,230.68 : x
  2. Step 2: Convert to fraction form
    122,907,008.28/169,609,691.66 = 67,151,230.68/x
  3. Step 3: Cross multiply
    122,907,008.28x = 169,609,691.66 × 67,151,230.68
  4. Step 4: Simplify right side
    122,907,008.28x = 11,389,499,530,224,334
  5. Step 5: Solve for x
    x = 11,389,499,530,224,334/122,907,008.28
  6. Step 6: Final answer
    x = 92,667,616.68

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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.