Home / 82,361,919.87-123,511,415.76-27,759,834.45

Finding the Fourth Proportional to 82,361,919.87, 123,511,415.76 and 27,759,834.45

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Solution

The fourth proportional to 82,361,919.87, 123,511,415.76 and 27,759,834.45 is: 41,629,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,361,919.87 : 123,511,415.76 = 27,759,834.45 : x
  2. Step 2: Convert to fraction form
    82,361,919.87/123,511,415.76 = 27,759,834.45/x
  3. Step 3: Cross multiply
    82,361,919.87x = 123,511,415.76 × 27,759,834.45
  4. Step 4: Simplify right side
    82,361,919.87x = 3,428,656,454,182,721
  5. Step 5: Solve for x
    x = 3,428,656,454,182,721/82,361,919.87
  6. Step 6: Final answer
    x = 41,629,146.81

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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.