Home / 168,400,831.20-252,601,246.80-113,981,272.80

Finding the Fourth Proportional to 168,400,831.20, 252,601,246.80 and 113,981,272.80

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Solution

The fourth proportional to 168,400,831.20, 252,601,246.80 and 113,981,272.80 is: 170,971,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,831.20 : 252,601,246.80 = 113,981,272.80 : x
  2. Step 2: Convert to fraction form
    168,400,831.20/252,601,246.80 = 113,981,272.80/x
  3. Step 3: Cross multiply
    168,400,831.20x = 252,601,246.80 × 113,981,272.80
  4. Step 4: Simplify right side
    168,400,831.20x = 28,791,811,621,130,928
  5. Step 5: Solve for x
    x = 28,791,811,621,130,928/168,400,831.20
  6. Step 6: Final answer
    x = 170,971,909.20

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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.