Home / 255,204,439.20-382,806,658.80-125,874,007.20

Finding the Fourth Proportional to 255,204,439.20, 382,806,658.80 and 125,874,007.20

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Solution

The fourth proportional to 255,204,439.20, 382,806,658.80 and 125,874,007.20 is: 188,811,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,204,439.20 : 382,806,658.80 = 125,874,007.20 : x
  2. Step 2: Convert to fraction form
    255,204,439.20/382,806,658.80 = 125,874,007.20/x
  3. Step 3: Cross multiply
    255,204,439.20x = 382,806,658.80 × 125,874,007.20
  4. Step 4: Simplify right side
    255,204,439.20x = 48,185,408,125,999,144
  5. Step 5: Solve for x
    x = 48,185,408,125,999,144/255,204,439.20
  6. Step 6: Final answer
    x = 188,811,010.80

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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.