Home / 218,313,621.20-327,249,982.20-108,970,619.60

Finding the Fourth Proportional to 218,313,621.20, 327,249,982.20 and 108,970,619.60

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Solution

The fourth proportional to 218,313,621.20, 327,249,982.20 and 108,970,619.60 is: 163,345,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,621.20 : 327,249,982.20 = 108,970,619.60 : x
  2. Step 2: Convert to fraction form
    218,313,621.20/327,249,982.20 = 108,970,619.60/x
  3. Step 3: Cross multiply
    218,313,621.20x = 327,249,982.20 × 108,970,619.60
  4. Step 4: Simplify right side
    218,313,621.20x = 35,660,633,324,422,968
  5. Step 5: Solve for x
    x = 35,660,633,324,422,968/218,313,621.20
  6. Step 6: Final answer
    x = 163,345,892.61

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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.