Home / 136,220,177.07-187,981,221.24-74,340,958.50

Finding the Fourth Proportional to 136,220,177.07, 187,981,221.24 and 74,340,958.50

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Solution

The fourth proportional to 136,220,177.07, 187,981,221.24 and 74,340,958.50 is: 102,589,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,220,177.07 : 187,981,221.24 = 74,340,958.50 : x
  2. Step 2: Convert to fraction form
    136,220,177.07/187,981,221.24 = 74,340,958.50/x
  3. Step 3: Cross multiply
    136,220,177.07x = 187,981,221.24 × 74,340,958.50
  4. Step 4: Simplify right side
    136,220,177.07x = 13,974,704,166,982,160
  5. Step 5: Solve for x
    x = 13,974,704,166,982,160/136,220,177.07
  6. Step 6: Final answer
    x = 102,589,091.19

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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.