Home / 199,168,965.30-274,853,436.89-109,858,906.60

Finding the Fourth Proportional to 199,168,965.30, 274,853,436.89 and 109,858,906.60

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Solution

The fourth proportional to 199,168,965.30, 274,853,436.89 and 109,858,906.60 is: 151,605,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,168,965.30 : 274,853,436.89 = 109,858,906.60 : x
  2. Step 2: Convert to fraction form
    199,168,965.30/274,853,436.89 = 109,858,906.60/x
  3. Step 3: Cross multiply
    199,168,965.30x = 274,853,436.89 × 109,858,906.60
  4. Step 4: Simplify right side
    199,168,965.30x = 30,195,098,051,987,500
  5. Step 5: Solve for x
    x = 30,195,098,051,987,500/199,168,965.30
  6. Step 6: Final answer
    x = 151,605,437.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.