Home / 51,988,498.20-78,150,708.90-47,957,419.80

Finding the Fourth Proportional to 51,988,498.20, 78,150,708.90 and 47,957,419.80

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Solution

The fourth proportional to 51,988,498.20, 78,150,708.90 and 47,957,419.80 is: 72,091,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,498.20 : 78,150,708.90 = 47,957,419.80 : x
  2. Step 2: Convert to fraction form
    51,988,498.20/78,150,708.90 = 47,957,419.80/x
  3. Step 3: Cross multiply
    51,988,498.20x = 78,150,708.90 × 47,957,419.80
  4. Step 4: Simplify right side
    51,988,498.20x = 3,747,906,354,384,896.50
  5. Step 5: Solve for x
    x = 3,747,906,354,384,896.50/51,988,498.20
  6. Step 6: Final answer
    x = 72,091,067.91

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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.