Home / 198,443,070.98-297,704,340-111,128,757.42

Finding the Fourth Proportional to 198,443,070.98, 297,704,340 and 111,128,757.42

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Solution

The fourth proportional to 198,443,070.98, 297,704,340 and 111,128,757.42 is: 166,715,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443,070.98 : 297,704,340 = 111,128,757.42 : x
  2. Step 2: Convert to fraction form
    198,443,070.98/297,704,340 = 111,128,757.42/x
  3. Step 3: Cross multiply
    198,443,070.98x = 297,704,340 × 111,128,757.42
  4. Step 4: Simplify right side
    198,443,070.98x = 33,083,513,382,741,204
  5. Step 5: Solve for x
    x = 33,083,513,382,741,204/198,443,070.98
  6. Step 6: Final answer
    x = 166,715,387.03

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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.