Home / 327,679,192.80-491,188,114.80-163,664,690.40

Finding the Fourth Proportional to 327,679,192.80, 491,188,114.80 and 163,664,690.40

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Solution

The fourth proportional to 327,679,192.80, 491,188,114.80 and 163,664,690.40 is: 245,331,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,679,192.80 : 491,188,114.80 = 163,664,690.40 : x
  2. Step 2: Convert to fraction form
    327,679,192.80/491,188,114.80 = 163,664,690.40/x
  3. Step 3: Cross multiply
    327,679,192.80x = 491,188,114.80 × 163,664,690.40
  4. Step 4: Simplify right side
    327,679,192.80x = 80,390,150,736,901,664
  5. Step 5: Solve for x
    x = 80,390,150,736,901,664/327,679,192.80
  6. Step 6: Final answer
    x = 245,331,874.90

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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.