Home / 198,443,073.48-297,704,343.75-111,128,759.92

Finding the Fourth Proportional to 198,443,073.48, 297,704,343.75 and 111,128,759.92

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Solution

The fourth proportional to 198,443,073.48, 297,704,343.75 and 111,128,759.92 is: 166,715,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443,073.48 : 297,704,343.75 = 111,128,759.92 : x
  2. Step 2: Convert to fraction form
    198,443,073.48/297,704,343.75 = 111,128,759.92/x
  3. Step 3: Cross multiply
    198,443,073.48x = 297,704,343.75 × 111,128,759.92
  4. Step 4: Simplify right side
    198,443,073.48x = 33,083,514,543,734,904
  5. Step 5: Solve for x
    x = 33,083,514,543,734,904/198,443,073.48
  6. Step 6: Final answer
    x = 166,715,390.78

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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.