Home / 95,993,279.60-143,989,919.40-76,861,403.60

Finding the Fourth Proportional to 95,993,279.60, 143,989,919.40 and 76,861,403.60

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Solution

The fourth proportional to 95,993,279.60, 143,989,919.40 and 76,861,403.60 is: 115,292,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,993,279.60 : 143,989,919.40 = 76,861,403.60 : x
  2. Step 2: Convert to fraction form
    95,993,279.60/143,989,919.40 = 76,861,403.60/x
  3. Step 3: Cross multiply
    95,993,279.60x = 143,989,919.40 × 76,861,403.60
  4. Step 4: Simplify right side
    95,993,279.60x = 11,067,267,309,334,870
  5. Step 5: Solve for x
    x = 11,067,267,309,334,870/95,993,279.60
  6. Step 6: Final answer
    x = 115,292,105.40

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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.