Home / 327,413,561.80-491,188,577.10-109,131,716.20

Finding the Fourth Proportional to 327,413,561.80, 491,188,577.10 and 109,131,716.20

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Solution

The fourth proportional to 327,413,561.80, 491,188,577.10 and 109,131,716.20 is: 163,720,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,413,561.80 : 491,188,577.10 = 109,131,716.20 : x
  2. Step 2: Convert to fraction form
    327,413,561.80/491,188,577.10 = 109,131,716.20/x
  3. Step 3: Cross multiply
    327,413,561.80x = 491,188,577.10 × 109,131,716.20
  4. Step 4: Simplify right side
    327,413,561.80x = 53,604,252,396,759,024
  5. Step 5: Solve for x
    x = 53,604,252,396,759,024/327,413,561.80
  6. Step 6: Final answer
    x = 163,720,317.82

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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.