Home / 330,255,006.20-495,382,509.30-100,223,721.80

Finding the Fourth Proportional to 330,255,006.20, 495,382,509.30 and 100,223,721.80

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Solution

The fourth proportional to 330,255,006.20, 495,382,509.30 and 100,223,721.80 is: 150,335,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,255,006.20 : 495,382,509.30 = 100,223,721.80 : x
  2. Step 2: Convert to fraction form
    330,255,006.20/495,382,509.30 = 100,223,721.80/x
  3. Step 3: Cross multiply
    330,255,006.20x = 495,382,509.30 × 100,223,721.80
  4. Step 4: Simplify right side
    330,255,006.20x = 49,649,078,796,669,112
  5. Step 5: Solve for x
    x = 49,649,078,796,669,112/330,255,006.20
  6. Step 6: Final answer
    x = 150,335,582.70

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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.