Home / 198,027,029.52-297,040,136.04-111,726,259.92

Finding the Fourth Proportional to 198,027,029.52, 297,040,136.04 and 111,726,259.92

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Solution

The fourth proportional to 198,027,029.52, 297,040,136.04 and 111,726,259.92 is: 167,589,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,027,029.52 : 297,040,136.04 = 111,726,259.92 : x
  2. Step 2: Convert to fraction form
    198,027,029.52/297,040,136.04 = 111,726,259.92/x
  3. Step 3: Cross multiply
    198,027,029.52x = 297,040,136.04 × 111,726,259.92
  4. Step 4: Simplify right side
    198,027,029.52x = 33,187,183,445,877,204
  5. Step 5: Solve for x
    x = 33,187,183,445,877,204/198,027,029.52
  6. Step 6: Final answer
    x = 167,589,159.55

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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.