Home / 159,723,493.20-220,428,500.88-90,083,464.56

Finding the Fourth Proportional to 159,723,493.20, 220,428,500.88 and 90,083,464.56

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Solution

The fourth proportional to 159,723,493.20, 220,428,500.88 and 90,083,464.56 is: 124,320,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,723,493.20 : 220,428,500.88 = 90,083,464.56 : x
  2. Step 2: Convert to fraction form
    159,723,493.20/220,428,500.88 = 90,083,464.56/x
  3. Step 3: Cross multiply
    159,723,493.20x = 220,428,500.88 × 90,083,464.56
  4. Step 4: Simplify right side
    159,723,493.20x = 19,856,963,047,037,408
  5. Step 5: Solve for x
    x = 19,856,963,047,037,408/159,723,493.20
  6. Step 6: Final answer
    x = 124,320,866.32

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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.