Home / 57,982,050-80,013,189.42-31,876,378.56

Finding the Fourth Proportional to 57,982,050, 80,013,189.42 and 31,876,378.56

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Solution

The fourth proportional to 57,982,050, 80,013,189.42 and 31,876,378.56 is: 43,988,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,982,050 : 80,013,189.42 = 31,876,378.56 : x
  2. Step 2: Convert to fraction form
    57,982,050/80,013,189.42 = 31,876,378.56/x
  3. Step 3: Cross multiply
    57,982,050x = 80,013,189.42 × 31,876,378.56
  4. Step 4: Simplify right side
    57,982,050x = 2,550,530,715,744,907
  5. Step 5: Solve for x
    x = 2,550,530,715,744,907/57,982,050
  6. Step 6: Final answer
    x = 43,988,281.13

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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.