Home / 218,222,148.61-327,394,633.88-95,411,251.09

Finding the Fourth Proportional to 218,222,148.61, 327,394,633.88 and 95,411,251.09

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Solution

The fourth proportional to 218,222,148.61, 327,394,633.88 and 95,411,251.09 is: 143,143,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222,148.61 : 327,394,633.88 = 95,411,251.09 : x
  2. Step 2: Convert to fraction form
    218,222,148.61/327,394,633.88 = 95,411,251.09/x
  3. Step 3: Cross multiply
    218,222,148.61x = 327,394,633.88 × 95,411,251.09
  4. Step 4: Simplify right side
    218,222,148.61x = 31,237,131,618,643,300
  5. Step 5: Solve for x
    x = 31,237,131,618,643,300/218,222,148.61
  6. Step 6: Final answer
    x = 143,143,726.78

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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.