Home / 243,530,161.31-365,356,149.92-71,006,974.80

Finding the Fourth Proportional to 243,530,161.31, 365,356,149.92 and 71,006,974.80

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Solution

The fourth proportional to 243,530,161.31, 365,356,149.92 and 71,006,974.80 is: 106,528,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,530,161.31 : 365,356,149.92 = 71,006,974.80 : x
  2. Step 2: Convert to fraction form
    243,530,161.31/365,356,149.92 = 71,006,974.80/x
  3. Step 3: Cross multiply
    243,530,161.31x = 365,356,149.92 × 71,006,974.80
  4. Step 4: Simplify right side
    243,530,161.31x = 25,942,834,930,394,464
  5. Step 5: Solve for x
    x = 25,942,834,930,394,464/243,530,161.31
  6. Step 6: Final answer
    x = 106,528,221.35

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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.