Home / 57,125,367.10-78,832,757.28-31,019,672.98

Finding the Fourth Proportional to 57,125,367.10, 78,832,757.28 and 31,019,672.98

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Solution

The fourth proportional to 57,125,367.10, 78,832,757.28 and 31,019,672.98 is: 42,807,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,125,367.10 : 78,832,757.28 = 31,019,672.98 : x
  2. Step 2: Convert to fraction form
    57,125,367.10/78,832,757.28 = 31,019,672.98/x
  3. Step 3: Cross multiply
    57,125,367.10x = 78,832,757.28 × 31,019,672.98
  4. Step 4: Simplify right side
    57,125,367.10x = 2,445,366,350,937,314.50
  5. Step 5: Solve for x
    x = 2,445,366,350,937,314.50/57,125,367.10
  6. Step 6: Final answer
    x = 42,807,013.33

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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.