Home / 327,993,931.20-492,179,853.60-123,668,644.80

Finding the Fourth Proportional to 327,993,931.20, 492,179,853.60 and 123,668,644.80

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Solution

The fourth proportional to 327,993,931.20, 492,179,853.60 and 123,668,644.80 is: 185,574,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,993,931.20 : 492,179,853.60 = 123,668,644.80 : x
  2. Step 2: Convert to fraction form
    327,993,931.20/492,179,853.60 = 123,668,644.80/x
  3. Step 3: Cross multiply
    327,993,931.20x = 492,179,853.60 × 123,668,644.80
  4. Step 4: Simplify right side
    327,993,931.20x = 60,867,215,492,574,400
  5. Step 5: Solve for x
    x = 60,867,215,492,574,400/327,993,931.20
  6. Step 6: Final answer
    x = 185,574,212.52

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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.