Home / 275,328,823.20-412,993,234.80-192,915,664.80

Finding the Fourth Proportional to 275,328,823.20, 412,993,234.80 and 192,915,664.80

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Solution

The fourth proportional to 275,328,823.20, 412,993,234.80 and 192,915,664.80 is: 289,373,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,328,823.20 : 412,993,234.80 = 192,915,664.80 : x
  2. Step 2: Convert to fraction form
    275,328,823.20/412,993,234.80 = 192,915,664.80/x
  3. Step 3: Cross multiply
    275,328,823.20x = 412,993,234.80 × 192,915,664.80
  4. Step 4: Simplify right side
    275,328,823.20x = 79,672,864,449,344,496
  5. Step 5: Solve for x
    x = 79,672,864,449,344,496/275,328,823.20
  6. Step 6: Final answer
    x = 289,373,497.20

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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.