Home / 75,561,656.18-113,350,584.97-20,974,472.43

Finding the Fourth Proportional to 75,561,656.18, 113,350,584.97 and 20,974,472.43

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Solution

The fourth proportional to 75,561,656.18, 113,350,584.97 and 20,974,472.43 is: 31,463,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561,656.18 : 113,350,584.97 = 20,974,472.43 : x
  2. Step 2: Convert to fraction form
    75,561,656.18/113,350,584.97 = 20,974,472.43/x
  3. Step 3: Cross multiply
    75,561,656.18x = 113,350,584.97 × 20,974,472.43
  4. Step 4: Simplify right side
    75,561,656.18x = 2,377,468,718,978,790.50
  5. Step 5: Solve for x
    x = 2,377,468,718,978,790.50/75,561,656.18
  6. Step 6: Final answer
    x = 31,463,957.24

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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.