Home / 141,952,839.66-195,895,189.83-78,373,301.79

Finding the Fourth Proportional to 141,952,839.66, 195,895,189.83 and 78,373,301.79

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Solution

The fourth proportional to 141,952,839.66, 195,895,189.83 and 78,373,301.79 is: 108,155,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,839.66 : 195,895,189.83 = 78,373,301.79 : x
  2. Step 2: Convert to fraction form
    141,952,839.66/195,895,189.83 = 78,373,301.79/x
  3. Step 3: Cross multiply
    141,952,839.66x = 195,895,189.83 × 78,373,301.79
  4. Step 4: Simplify right side
    141,952,839.66x = 15,352,952,831,755,932
  5. Step 5: Solve for x
    x = 15,352,952,831,755,932/141,952,839.66
  6. Step 6: Final answer
    x = 108,155,306.15

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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.