Home / 136,103,565,327.96-187,823,198,306.39-75,136,016,404.75

Finding the Fourth Proportional to 136,103,565,327.96, 187,823,198,306.39 and 75,136,016,404.75

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Solution

The fourth proportional to 136,103,565,327.96, 187,823,198,306.39 and 75,136,016,404.75 is: 103,687,856,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,103,565,327.96 : 187,823,198,306.39 = 75,136,016,404.75 : x
  2. Step 2: Convert to fraction form
    136,103,565,327.96/187,823,198,306.39 = 75,136,016,404.75/x
  3. Step 3: Cross multiply
    136,103,565,327.96x = 187,823,198,306.39 × 75,136,016,404.75
  4. Step 4: Simplify right side
    136,103,565,327.96x = 14,112,286,909,140,593,278,976
  5. Step 5: Solve for x
    x = 14,112,286,909,140,593,278,976/136,103,565,327.96
  6. Step 6: Final answer
    x = 103,687,856,193.44

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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.