Home / 259,074,830.20-388,363,413.30-149,787,815.80

Finding the Fourth Proportional to 259,074,830.20, 388,363,413.30 and 149,787,815.80

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Solution

The fourth proportional to 259,074,830.20, 388,363,413.30 and 149,787,815.80 is: 224,537,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,074,830.20 : 388,363,413.30 = 149,787,815.80 : x
  2. Step 2: Convert to fraction form
    259,074,830.20/388,363,413.30 = 149,787,815.80/x
  3. Step 3: Cross multiply
    259,074,830.20x = 388,363,413.30 × 149,787,815.80
  4. Step 4: Simplify right side
    259,074,830.20x = 58,172,107,414,839,680
  5. Step 5: Solve for x
    x = 58,172,107,414,839,680/259,074,830.20
  6. Step 6: Final answer
    x = 224,537,857.92

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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.