Home / 330,254,743.20-495,382,114.80-100,223,458.80

Finding the Fourth Proportional to 330,254,743.20, 495,382,114.80 and 100,223,458.80

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Solution

The fourth proportional to 330,254,743.20, 495,382,114.80 and 100,223,458.80 is: 150,335,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,254,743.20 : 495,382,114.80 = 100,223,458.80 : x
  2. Step 2: Convert to fraction form
    330,254,743.20/495,382,114.80 = 100,223,458.80/x
  3. Step 3: Cross multiply
    330,254,743.20x = 495,382,114.80 × 100,223,458.80
  4. Step 4: Simplify right side
    330,254,743.20x = 49,648,908,972,914,672
  5. Step 5: Solve for x
    x = 49,648,908,972,914,672/330,254,743.20
  6. Step 6: Final answer
    x = 150,335,188.20

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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.