Home / 198,486,279.62-297,535,019.42-111,090,474.26

Finding the Fourth Proportional to 198,486,279.62, 297,535,019.42 and 111,090,474.26

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Solution

The fourth proportional to 198,486,279.62, 297,535,019.42 and 111,090,474.26 is: 166,526,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,486,279.62 : 297,535,019.42 = 111,090,474.26 : x
  2. Step 2: Convert to fraction form
    198,486,279.62/297,535,019.42 = 111,090,474.26/x
  3. Step 3: Cross multiply
    198,486,279.62x = 297,535,019.42 × 111,090,474.26
  4. Step 4: Simplify right side
    198,486,279.62x = 33,053,306,414,282,984
  5. Step 5: Solve for x
    x = 33,053,306,414,282,984/198,486,279.62
  6. Step 6: Final answer
    x = 166,526,907.95

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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.