Home / 198,443,072.48-297,704,342.25-111,128,758.92

Finding the Fourth Proportional to 198,443,072.48, 297,704,342.25 and 111,128,758.92

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Solution

The fourth proportional to 198,443,072.48, 297,704,342.25 and 111,128,758.92 is: 166,715,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443,072.48 : 297,704,342.25 = 111,128,758.92 : x
  2. Step 2: Convert to fraction form
    198,443,072.48/297,704,342.25 = 111,128,758.92/x
  3. Step 3: Cross multiply
    198,443,072.48x = 297,704,342.25 × 111,128,758.92
  4. Step 4: Simplify right side
    198,443,072.48x = 33,083,514,079,337,420
  5. Step 5: Solve for x
    x = 33,083,514,079,337,420/198,443,072.48
  6. Step 6: Final answer
    x = 166,715,389.29

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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.