Home / 122,552,998.68-169,123,481.10-67,549,073.88

Finding the Fourth Proportional to 122,552,998.68, 169,123,481.10 and 67,549,073.88

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Solution

The fourth proportional to 122,552,998.68, 169,123,481.10 and 67,549,073.88 is: 93,217,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,552,998.68 : 169,123,481.10 = 67,549,073.88 : x
  2. Step 2: Convert to fraction form
    122,552,998.68/169,123,481.10 = 67,549,073.88/x
  3. Step 3: Cross multiply
    122,552,998.68x = 169,123,481.10 × 67,549,073.88
  4. Step 4: Simplify right side
    122,552,998.68x = 11,424,134,519,666,682
  5. Step 5: Solve for x
    x = 11,424,134,519,666,682/122,552,998.68
  6. Step 6: Final answer
    x = 93,217,910.97

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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.