Home / 54,350,299.62-75,005,476.47-31,149,903.78

Finding the Fourth Proportional to 54,350,299.62, 75,005,476.47 and 31,149,903.78

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Solution

The fourth proportional to 54,350,299.62, 75,005,476.47 and 31,149,903.78 is: 42,988,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350,299.62 : 75,005,476.47 = 31,149,903.78 : x
  2. Step 2: Convert to fraction form
    54,350,299.62/75,005,476.47 = 31,149,903.78/x
  3. Step 3: Cross multiply
    54,350,299.62x = 75,005,476.47 × 31,149,903.78
  4. Step 4: Simplify right side
    54,350,299.62x = 2,336,413,375,013,554
  5. Step 5: Solve for x
    x = 2,336,413,375,013,554/54,350,299.62
  6. Step 6: Final answer
    x = 42,988,049.58

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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.