Home / 330,153,934.80-495,278,141.40-100,141,021.20

Finding the Fourth Proportional to 330,153,934.80, 495,278,141.40 and 100,141,021.20

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Solution

The fourth proportional to 330,153,934.80, 495,278,141.40 and 100,141,021.20 is: 150,225,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,153,934.80 : 495,278,141.40 = 100,141,021.20 : x
  2. Step 2: Convert to fraction form
    330,153,934.80/495,278,141.40 = 100,141,021.20/x
  3. Step 3: Cross multiply
    330,153,934.80x = 495,278,141.40 × 100,141,021.20
  4. Step 4: Simplify right side
    330,153,934.80x = 49,597,658,857,834,000
  5. Step 5: Solve for x
    x = 49,597,658,857,834,000/330,153,934.80
  6. Step 6: Final answer
    x = 150,225,860.21

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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.