Home / 260,062,707.16-390,052,535.74-75,787,079.20

Finding the Fourth Proportional to 260,062,707.16, 390,052,535.74 and 75,787,079.20

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Solution

The fourth proportional to 260,062,707.16, 390,052,535.74 and 75,787,079.20 is: 113,668,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,062,707.16 : 390,052,535.74 = 75,787,079.20 : x
  2. Step 2: Convert to fraction form
    260,062,707.16/390,052,535.74 = 75,787,079.20/x
  3. Step 3: Cross multiply
    260,062,707.16x = 390,052,535.74 × 75,787,079.20
  4. Step 4: Simplify right side
    260,062,707.16x = 29,560,942,416,337,944
  5. Step 5: Solve for x
    x = 29,560,942,416,337,944/260,062,707.16
  6. Step 6: Final answer
    x = 113,668,517.64

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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.