Home / 330,255,074.70-495,382,612.05-100,223,790.30

Finding the Fourth Proportional to 330,255,074.70, 495,382,612.05 and 100,223,790.30

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Solution

The fourth proportional to 330,255,074.70, 495,382,612.05 and 100,223,790.30 is: 150,335,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,255,074.70 : 495,382,612.05 = 100,223,790.30 : x
  2. Step 2: Convert to fraction form
    330,255,074.70/495,382,612.05 = 100,223,790.30/x
  3. Step 3: Cross multiply
    330,255,074.70x = 495,382,612.05 × 100,223,790.30
  4. Step 4: Simplify right side
    330,255,074.70x = 49,649,123,028,365,456
  5. Step 5: Solve for x
    x = 49,649,123,028,365,456/330,255,074.70
  6. Step 6: Final answer
    x = 150,335,685.45

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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.