Home / 251,505,961.20-376,503,114.60-149,217,346.80

Finding the Fourth Proportional to 251,505,961.20, 376,503,114.60 and 149,217,346.80

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Solution

The fourth proportional to 251,505,961.20, 376,503,114.60 and 149,217,346.80 is: 223,377,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,505,961.20 : 376,503,114.60 = 149,217,346.80 : x
  2. Step 2: Convert to fraction form
    251,505,961.20/376,503,114.60 = 149,217,346.80/x
  3. Step 3: Cross multiply
    251,505,961.20x = 376,503,114.60 × 149,217,346.80
  4. Step 4: Simplify right side
    251,505,961.20x = 56,180,795,822,548,352
  5. Step 5: Solve for x
    x = 56,180,795,822,548,352/251,505,961.20
  6. Step 6: Final answer
    x = 223,377,591.35

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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.