Home / 330,254,872.20-495,382,308.30-100,223,587.80

Finding the Fourth Proportional to 330,254,872.20, 495,382,308.30 and 100,223,587.80

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Solution

The fourth proportional to 330,254,872.20, 495,382,308.30 and 100,223,587.80 is: 150,335,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,254,872.20 : 495,382,308.30 = 100,223,587.80 : x
  2. Step 2: Convert to fraction form
    330,254,872.20/495,382,308.30 = 100,223,587.80/x
  3. Step 3: Cross multiply
    330,254,872.20x = 495,382,308.30 × 100,223,587.80
  4. Step 4: Simplify right side
    330,254,872.20x = 49,648,992,270,471,720
  5. Step 5: Solve for x
    x = 49,648,992,270,471,720/330,254,872.20
  6. Step 6: Final answer
    x = 150,335,381.70

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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.