Home / 80,151,703.20-120,231,491.40-41,887,951.20

Finding the Fourth Proportional to 80,151,703.20, 120,231,491.40 and 41,887,951.20

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Solution

The fourth proportional to 80,151,703.20, 120,231,491.40 and 41,887,951.20 is: 62,833,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,151,703.20 : 120,231,491.40 = 41,887,951.20 : x
  2. Step 2: Convert to fraction form
    80,151,703.20/120,231,491.40 = 41,887,951.20/x
  3. Step 3: Cross multiply
    80,151,703.20x = 120,231,491.40 × 41,887,951.20
  4. Step 4: Simplify right side
    80,151,703.20x = 5,036,250,844,466,420
  5. Step 5: Solve for x
    x = 5,036,250,844,466,420/80,151,703.20
  6. Step 6: Final answer
    x = 62,833,984.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.