Home / 219,491,750.76-329,237,768.27-55,741,787.88

Finding the Fourth Proportional to 219,491,750.76, 329,237,768.27 and 55,741,787.88

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Solution

The fourth proportional to 219,491,750.76, 329,237,768.27 and 55,741,787.88 is: 83,612,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,750.76 : 329,237,768.27 = 55,741,787.88 : x
  2. Step 2: Convert to fraction form
    219,491,750.76/329,237,768.27 = 55,741,787.88/x
  3. Step 3: Cross multiply
    219,491,750.76x = 329,237,768.27 × 55,741,787.88
  4. Step 4: Simplify right side
    219,491,750.76x = 18,352,301,840,990,936
  5. Step 5: Solve for x
    x = 18,352,301,840,990,936/219,491,750.76
  6. Step 6: Final answer
    x = 83,612,717.92

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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.