Home / 131,741,644.27-181,743,853.22-79,513,984.75

Finding the Fourth Proportional to 131,741,644.27, 181,743,853.22 and 79,513,984.75

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Solution

The fourth proportional to 131,741,644.27, 181,743,853.22 and 79,513,984.75 is: 109,693,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,741,644.27 : 181,743,853.22 = 79,513,984.75 : x
  2. Step 2: Convert to fraction form
    131,741,644.27/181,743,853.22 = 79,513,984.75/x
  3. Step 3: Cross multiply
    131,741,644.27x = 181,743,853.22 × 79,513,984.75
  4. Step 4: Simplify right side
    131,741,644.27x = 14,451,177,972,489,390
  5. Step 5: Solve for x
    x = 14,451,177,972,489,390/131,741,644.27
  6. Step 6: Final answer
    x = 109,693,317.20

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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.