Home / 76,383,961.11-114,574,819.82-18,876,230.73

Finding the Fourth Proportional to 76,383,961.11, 114,574,819.82 and 18,876,230.73

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Solution

The fourth proportional to 76,383,961.11, 114,574,819.82 and 18,876,230.73 is: 28,314,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,961.11 : 114,574,819.82 = 18,876,230.73 : x
  2. Step 2: Convert to fraction form
    76,383,961.11/114,574,819.82 = 18,876,230.73/x
  3. Step 3: Cross multiply
    76,383,961.11x = 114,574,819.82 × 18,876,230.73
  4. Step 4: Simplify right side
    76,383,961.11x = 2,162,740,734,676,116
  5. Step 5: Solve for x
    x = 2,162,740,734,676,116/76,383,961.11
  6. Step 6: Final answer
    x = 28,314,068.86

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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.