Home / 330,261,790.20-495,392,685.30-100,230,505.80

Finding the Fourth Proportional to 330,261,790.20, 495,392,685.30 and 100,230,505.80

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Solution

The fourth proportional to 330,261,790.20, 495,392,685.30 and 100,230,505.80 is: 150,345,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,261,790.20 : 495,392,685.30 = 100,230,505.80 : x
  2. Step 2: Convert to fraction form
    330,261,790.20/495,392,685.30 = 100,230,505.80/x
  3. Step 3: Cross multiply
    330,261,790.20x = 495,392,685.30 × 100,230,505.80
  4. Step 4: Simplify right side
    330,261,790.20x = 49,653,459,417,239,224
  5. Step 5: Solve for x
    x = 49,653,459,417,239,224/330,261,790.20
  6. Step 6: Final answer
    x = 150,345,758.70

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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.