Home / 327,334,168.40-491,065,934.16-120,074,503.28

Finding the Fourth Proportional to 327,334,168.40, 491,065,934.16 and 120,074,503.28

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Solution

The fourth proportional to 327,334,168.40, 491,065,934.16 and 120,074,503.28 is: 180,135,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,334,168.40 : 491,065,934.16 = 120,074,503.28 : x
  2. Step 2: Convert to fraction form
    327,334,168.40/491,065,934.16 = 120,074,503.28/x
  3. Step 3: Cross multiply
    327,334,168.40x = 491,065,934.16 × 120,074,503.28
  4. Step 4: Simplify right side
    327,334,168.40x = 58,964,498,121,991,184
  5. Step 5: Solve for x
    x = 58,964,498,121,991,184/327,334,168.40
  6. Step 6: Final answer
    x = 180,135,481.76

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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.