Home / 192,449,420.80-288,674,131.20-173,339,123.20

Finding the Fourth Proportional to 192,449,420.80, 288,674,131.20 and 173,339,123.20

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Solution

The fourth proportional to 192,449,420.80, 288,674,131.20 and 173,339,123.20 is: 260,008,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,449,420.80 : 288,674,131.20 = 173,339,123.20 : x
  2. Step 2: Convert to fraction form
    192,449,420.80/288,674,131.20 = 173,339,123.20/x
  3. Step 3: Cross multiply
    192,449,420.80x = 288,674,131.20 × 173,339,123.20
  4. Step 4: Simplify right side
    192,449,420.80x = 50,038,520,792,729,760
  5. Step 5: Solve for x
    x = 50,038,520,792,729,760/192,449,420.80
  6. Step 6: Final answer
    x = 260,008,684.80

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1.5x scale

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.