Home / 345,940,001.96-477,397,154.82-189,307,067.62

Finding the Fourth Proportional to 345,940,001.96, 477,397,154.82 and 189,307,067.62

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Solution

The fourth proportional to 345,940,001.96, 477,397,154.82 and 189,307,067.62 is: 261,243,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,940,001.96 : 477,397,154.82 = 189,307,067.62 : x
  2. Step 2: Convert to fraction form
    345,940,001.96/477,397,154.82 = 189,307,067.62/x
  3. Step 3: Cross multiply
    345,940,001.96x = 477,397,154.82 × 189,307,067.62
  4. Step 4: Simplify right side
    345,940,001.96x = 90,374,655,469,105,344
  5. Step 5: Solve for x
    x = 90,374,655,469,105,344/345,940,001.96
  6. Step 6: Final answer
    x = 261,243,727.11

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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.