Home / 447,394,305.69-671,129,545.55-136,571,736.42

Finding the Fourth Proportional to 447,394,305.69, 671,129,545.55 and 136,571,736.42

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Solution

The fourth proportional to 447,394,305.69, 671,129,545.55 and 136,571,736.42 is: 204,869,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,394,305.69 : 671,129,545.55 = 136,571,736.42 : x
  2. Step 2: Convert to fraction form
    447,394,305.69/671,129,545.55 = 136,571,736.42/x
  3. Step 3: Cross multiply
    447,394,305.69x = 671,129,545.55 × 136,571,736.42
  4. Step 4: Simplify right side
    447,394,305.69x = 91,657,327,397,846,112
  5. Step 5: Solve for x
    x = 91,657,327,397,846,112/447,394,305.69
  6. Step 6: Final answer
    x = 204,869,231.08

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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.