Home / 155,218,145.40-232,827,218.10-132,135,891.30

Finding the Fourth Proportional to 155,218,145.40, 232,827,218.10 and 132,135,891.30

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Solution

The fourth proportional to 155,218,145.40, 232,827,218.10 and 132,135,891.30 is: 198,203,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,218,145.40 : 232,827,218.10 = 132,135,891.30 : x
  2. Step 2: Convert to fraction form
    155,218,145.40/232,827,218.10 = 132,135,891.30/x
  3. Step 3: Cross multiply
    155,218,145.40x = 232,827,218.10 × 132,135,891.30
  4. Step 4: Simplify right side
    155,218,145.40x = 30,764,831,982,542,992
  5. Step 5: Solve for x
    x = 30,764,831,982,542,992/155,218,145.40
  6. Step 6: Final answer
    x = 198,203,836.95

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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.