Home / 57,681,772.32-79,600,839.84-31,220,121.56

Finding the Fourth Proportional to 57,681,772.32, 79,600,839.84 and 31,220,121.56

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Solution

The fourth proportional to 57,681,772.32, 79,600,839.84 and 31,220,121.56 is: 43,083,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,772.32 : 79,600,839.84 = 31,220,121.56 : x
  2. Step 2: Convert to fraction form
    57,681,772.32/79,600,839.84 = 31,220,121.56/x
  3. Step 3: Cross multiply
    57,681,772.32x = 79,600,839.84 × 31,220,121.56
  4. Step 4: Simplify right side
    57,681,772.32x = 2,485,147,896,082,891
  5. Step 5: Solve for x
    x = 2,485,147,896,082,891/57,681,772.32
  6. Step 6: Final answer
    x = 43,083,764.53

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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.