Home / 75,561,656.68-113,350,585.72-20,974,472.93

Finding the Fourth Proportional to 75,561,656.68, 113,350,585.72 and 20,974,472.93

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Solution

The fourth proportional to 75,561,656.68, 113,350,585.72 and 20,974,472.93 is: 31,463,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,561,656.68 : 113,350,585.72 = 20,974,472.93 : x
  2. Step 2: Convert to fraction form
    75,561,656.68/113,350,585.72 = 20,974,472.93/x
  3. Step 3: Cross multiply
    75,561,656.68x = 113,350,585.72 × 20,974,472.93
  4. Step 4: Simplify right side
    75,561,656.68x = 2,377,468,791,217,031.50
  5. Step 5: Solve for x
    x = 2,377,468,791,217,031.50/75,561,656.68
  6. Step 6: Final answer
    x = 31,463,957.99

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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.