Home / 82,912,046.41-124,384,010.46-31,790,078.47

Finding the Fourth Proportional to 82,912,046.41, 124,384,010.46 and 31,790,078.47

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Solution

The fourth proportional to 82,912,046.41, 124,384,010.46 and 31,790,078.47 is: 47,691,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,046.41 : 124,384,010.46 = 31,790,078.47 : x
  2. Step 2: Convert to fraction form
    82,912,046.41/124,384,010.46 = 31,790,078.47/x
  3. Step 3: Cross multiply
    82,912,046.41x = 124,384,010.46 × 31,790,078.47
  4. Step 4: Simplify right side
    82,912,046.41x = 3,954,177,452,936,700.50
  5. Step 5: Solve for x
    x = 3,954,177,452,936,700.50/82,912,046.41
  6. Step 6: Final answer
    x = 47,691,229.73

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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.