Home / 57,731,475.28-79,669,200.36-31,625,957.20

Finding the Fourth Proportional to 57,731,475.28, 79,669,200.36 and 31,625,957.20

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Solution

The fourth proportional to 57,731,475.28, 79,669,200.36 and 31,625,957.20 is: 43,643,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,475.28 : 79,669,200.36 = 31,625,957.20 : x
  2. Step 2: Convert to fraction form
    57,731,475.28/79,669,200.36 = 31,625,957.20/x
  3. Step 3: Cross multiply
    57,731,475.28x = 79,669,200.36 × 31,625,957.20
  4. Step 4: Simplify right side
    57,731,475.28x = 2,519,614,720,743,584.50
  5. Step 5: Solve for x
    x = 2,519,614,720,743,584.50/57,731,475.28
  6. Step 6: Final answer
    x = 43,643,691.91

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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.