Home / 201,469,424.80-302,328,553.20-80,288,240.80

Finding the Fourth Proportional to 201,469,424.80, 302,328,553.20 and 80,288,240.80

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Solution

The fourth proportional to 201,469,424.80, 302,328,553.20 and 80,288,240.80 is: 120,481,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,469,424.80 : 302,328,553.20 = 80,288,240.80 : x
  2. Step 2: Convert to fraction form
    201,469,424.80/302,328,553.20 = 80,288,240.80/x
  3. Step 3: Cross multiply
    201,469,424.80x = 302,328,553.20 × 80,288,240.80
  4. Step 4: Simplify right side
    201,469,424.80x = 24,273,427,680,037,208
  5. Step 5: Solve for x
    x = 24,273,427,680,037,208/201,469,424.80
  6. Step 6: Final answer
    x = 120,481,942.63

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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.