Home / 268,015,321.80-402,022,982.70-95,686,720.20

Finding the Fourth Proportional to 268,015,321.80, 402,022,982.70 and 95,686,720.20

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Solution

The fourth proportional to 268,015,321.80, 402,022,982.70 and 95,686,720.20 is: 143,530,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,015,321.80 : 402,022,982.70 = 95,686,720.20 : x
  2. Step 2: Convert to fraction form
    268,015,321.80/402,022,982.70 = 95,686,720.20/x
  3. Step 3: Cross multiply
    268,015,321.80x = 402,022,982.70 × 95,686,720.20
  4. Step 4: Simplify right side
    268,015,321.80x = 38,468,260,659,584,344
  5. Step 5: Solve for x
    x = 38,468,260,659,584,344/268,015,321.80
  6. Step 6: Final answer
    x = 143,530,080.30

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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.