Home / 325,517,008.80-488,275,513.20-121,002,765.60

Finding the Fourth Proportional to 325,517,008.80, 488,275,513.20 and 121,002,765.60

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Solution

The fourth proportional to 325,517,008.80, 488,275,513.20 and 121,002,765.60 is: 181,504,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,517,008.80 : 488,275,513.20 = 121,002,765.60 : x
  2. Step 2: Convert to fraction form
    325,517,008.80/488,275,513.20 = 121,002,765.60/x
  3. Step 3: Cross multiply
    325,517,008.80x = 488,275,513.20 × 121,002,765.60
  4. Step 4: Simplify right side
    325,517,008.80x = 59,082,687,471,959,304
  5. Step 5: Solve for x
    x = 59,082,687,471,959,304/325,517,008.80
  6. Step 6: Final answer
    x = 181,504,148.40

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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.