Home / 82,022,498.80-123,033,748.20-80,747,040.40

Finding the Fourth Proportional to 82,022,498.80, 123,033,748.20 and 80,747,040.40

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Solution

The fourth proportional to 82,022,498.80, 123,033,748.20 and 80,747,040.40 is: 121,120,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,022,498.80 : 123,033,748.20 = 80,747,040.40 : x
  2. Step 2: Convert to fraction form
    82,022,498.80/123,033,748.20 = 80,747,040.40/x
  3. Step 3: Cross multiply
    82,022,498.80x = 123,033,748.20 × 80,747,040.40
  4. Step 4: Simplify right side
    82,022,498.80x = 9,934,611,036,468,828
  5. Step 5: Solve for x
    x = 9,934,611,036,468,828/82,022,498.80
  6. Step 6: Final answer
    x = 121,120,560.60

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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.