Home / 192,489,974.80-288,734,962.20-149,491,805.20

Finding the Fourth Proportional to 192,489,974.80, 288,734,962.20 and 149,491,805.20

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Solution

The fourth proportional to 192,489,974.80, 288,734,962.20 and 149,491,805.20 is: 224,237,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,489,974.80 : 288,734,962.20 = 149,491,805.20 : x
  2. Step 2: Convert to fraction form
    192,489,974.80/288,734,962.20 = 149,491,805.20/x
  3. Step 3: Cross multiply
    192,489,974.80x = 288,734,962.20 × 149,491,805.20
  4. Step 4: Simplify right side
    192,489,974.80x = 43,163,510,723,631,760
  5. Step 5: Solve for x
    x = 43,163,510,723,631,760/192,489,974.80
  6. Step 6: Final answer
    x = 224,237,707.80

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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.