Home / 123,003,793.62-169,748,778.20-68,003,193.06

Finding the Fourth Proportional to 123,003,793.62, 169,748,778.20 and 68,003,193.06

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Solution

The fourth proportional to 123,003,793.62, 169,748,778.20 and 68,003,193.06 is: 93,846,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,003,793.62 : 169,748,778.20 = 68,003,193.06 : x
  2. Step 2: Convert to fraction form
    123,003,793.62/169,748,778.20 = 68,003,193.06/x
  3. Step 3: Cross multiply
    123,003,793.62x = 169,748,778.20 × 68,003,193.06
  4. Step 4: Simplify right side
    123,003,793.62x = 11,543,458,935,293,704
  5. Step 5: Solve for x
    x = 11,543,458,935,293,704/123,003,793.62
  6. Step 6: Final answer
    x = 93,846,365.19

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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.