Home / 219,491,741.49-329,237,754.38-55,741,778.61

Finding the Fourth Proportional to 219,491,741.49, 329,237,754.38 and 55,741,778.61

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Solution

The fourth proportional to 219,491,741.49, 329,237,754.38 and 55,741,778.61 is: 83,612,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,491,741.49 : 329,237,754.38 = 55,741,778.61 : x
  2. Step 2: Convert to fraction form
    219,491,741.49/329,237,754.38 = 55,741,778.61/x
  3. Step 3: Cross multiply
    219,491,741.49x = 329,237,754.38 × 55,741,778.61
  4. Step 4: Simplify right side
    219,491,741.49x = 18,352,298,013,712,472
  5. Step 5: Solve for x
    x = 18,352,298,013,712,472/219,491,741.49
  6. Step 6: Final answer
    x = 83,612,704.01

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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.