Home / 251,505,336.20-376,502,177.10-149,216,721.80

Finding the Fourth Proportional to 251,505,336.20, 376,502,177.10 and 149,216,721.80

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Solution

The fourth proportional to 251,505,336.20, 376,502,177.10 and 149,216,721.80 is: 223,376,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,505,336.20 : 376,502,177.10 = 149,216,721.80 : x
  2. Step 2: Convert to fraction form
    251,505,336.20/376,502,177.10 = 149,216,721.80/x
  3. Step 3: Cross multiply
    251,505,336.20x = 376,502,177.10 × 149,216,721.80
  4. Step 4: Simplify right side
    251,505,336.20x = 56,180,420,617,425,040
  5. Step 5: Solve for x
    x = 56,180,420,617,425,040/251,505,336.20
  6. Step 6: Final answer
    x = 223,376,654.61

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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.