Home / 82,912,072.28-124,384,049.20-31,790,104.36

Finding the Fourth Proportional to 82,912,072.28, 124,384,049.20 and 31,790,104.36

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Solution

The fourth proportional to 82,912,072.28, 124,384,049.20 and 31,790,104.36 is: 47,691,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,072.28 : 124,384,049.20 = 31,790,104.36 : x
  2. Step 2: Convert to fraction form
    82,912,072.28/124,384,049.20 = 31,790,104.36/x
  3. Step 3: Cross multiply
    82,912,072.28x = 124,384,049.20 × 31,790,104.36
  4. Step 4: Simplify right side
    82,912,072.28x = 3,954,181,904,787,374.50
  5. Step 5: Solve for x
    x = 3,954,181,904,787,374.50/82,912,072.28
  6. Step 6: Final answer
    x = 47,691,268.55

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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.