Home / 141,952,839.92-195,895,190.17-78,373,302.04

Finding the Fourth Proportional to 141,952,839.92, 195,895,190.17 and 78,373,302.04

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Solution

The fourth proportional to 141,952,839.92, 195,895,190.17 and 78,373,302.04 is: 108,155,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,952,839.92 : 195,895,190.17 = 78,373,302.04 : x
  2. Step 2: Convert to fraction form
    141,952,839.92/195,895,190.17 = 78,373,302.04/x
  3. Step 3: Cross multiply
    141,952,839.92x = 195,895,190.17 × 78,373,302.04
  4. Step 4: Simplify right side
    141,952,839.92x = 15,352,952,907,376,650
  5. Step 5: Solve for x
    x = 15,352,952,907,376,650/141,952,839.92
  6. Step 6: Final answer
    x = 108,155,306.48

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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.