Home / 259,074,815.20-388,363,390.80-149,787,800.80

Finding the Fourth Proportional to 259,074,815.20, 388,363,390.80 and 149,787,800.80

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Solution

The fourth proportional to 259,074,815.20, 388,363,390.80 and 149,787,800.80 is: 224,537,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,074,815.20 : 388,363,390.80 = 149,787,800.80 : x
  2. Step 2: Convert to fraction form
    259,074,815.20/388,363,390.80 = 149,787,800.80/x
  3. Step 3: Cross multiply
    259,074,815.20x = 388,363,390.80 × 149,787,800.80
  4. Step 4: Simplify right side
    259,074,815.20x = 58,172,098,219,162,960
  5. Step 5: Solve for x
    x = 58,172,098,219,162,960/259,074,815.20
  6. Step 6: Final answer
    x = 224,537,835.43

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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.