Home / 141,659,207.85-195,487,719.68-78,937,949.39

Finding the Fourth Proportional to 141,659,207.85, 195,487,719.68 and 78,937,949.39

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Solution

The fourth proportional to 141,659,207.85, 195,487,719.68 and 78,937,949.39 is: 108,933,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,659,207.85 : 195,487,719.68 = 78,937,949.39 : x
  2. Step 2: Convert to fraction form
    141,659,207.85/195,487,719.68 = 78,937,949.39/x
  3. Step 3: Cross multiply
    141,659,207.85x = 195,487,719.68 × 78,937,949.39
  4. Step 4: Simplify right side
    141,659,207.85x = 15,431,399,723,152,412
  5. Step 5: Solve for x
    x = 15,431,399,723,152,412/141,659,207.85
  6. Step 6: Final answer
    x = 108,933,262.85

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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.