Home / 330,261,806.20-495,392,709.30-100,230,521.80

Finding the Fourth Proportional to 330,261,806.20, 495,392,709.30 and 100,230,521.80

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Solution

The fourth proportional to 330,261,806.20, 495,392,709.30 and 100,230,521.80 is: 150,345,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,261,806.20 : 495,392,709.30 = 100,230,521.80 : x
  2. Step 2: Convert to fraction form
    330,261,806.20/495,392,709.30 = 100,230,521.80/x
  3. Step 3: Cross multiply
    330,261,806.20x = 495,392,709.30 × 100,230,521.80
  4. Step 4: Simplify right side
    330,261,806.20x = 49,653,469,749,054,712
  5. Step 5: Solve for x
    x = 49,653,469,749,054,712/330,261,806.20
  6. Step 6: Final answer
    x = 150,345,782.70

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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.