Home / 217,103,843.48-325,388,965.19-100,361,285.55

Finding the Fourth Proportional to 217,103,843.48, 325,388,965.19 and 100,361,285.55

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Solution

The fourth proportional to 217,103,843.48, 325,388,965.19 and 100,361,285.55 is: 150,418,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,103,843.48 : 325,388,965.19 = 100,361,285.55 : x
  2. Step 2: Convert to fraction form
    217,103,843.48/325,388,965.19 = 100,361,285.55/x
  3. Step 3: Cross multiply
    217,103,843.48x = 325,388,965.19 × 100,361,285.55
  4. Step 4: Simplify right side
    217,103,843.48x = 32,656,454,849,750,792
  5. Step 5: Solve for x
    x = 32,656,454,849,750,792/217,103,843.48
  6. Step 6: Final answer
    x = 150,418,593.83

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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.