Home / 57,781,350.57-79,743,308.33-31,680,912.93

Finding the Fourth Proportional to 57,781,350.57, 79,743,308.33 and 31,680,912.93

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Solution

The fourth proportional to 57,781,350.57, 79,743,308.33 and 31,680,912.93 is: 43,722,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,350.57 : 79,743,308.33 = 31,680,912.93 : x
  2. Step 2: Convert to fraction form
    57,781,350.57/79,743,308.33 = 31,680,912.93/x
  3. Step 3: Cross multiply
    57,781,350.57x = 79,743,308.33 × 31,680,912.93
  4. Step 4: Simplify right side
    57,781,350.57x = 2,526,340,807,952,873.50
  5. Step 5: Solve for x
    x = 2,526,340,807,952,873.50/57,781,350.57
  6. Step 6: Final answer
    x = 43,722,425.71

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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.