Home / 192,199,750.62-288,404,581.20-81,518,204.55

Finding the Fourth Proportional to 192,199,750.62, 288,404,581.20 and 81,518,204.55

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Solution

The fourth proportional to 192,199,750.62, 288,404,581.20 and 81,518,204.55 is: 122,321,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,199,750.62 : 288,404,581.20 = 81,518,204.55 : x
  2. Step 2: Convert to fraction form
    192,199,750.62/288,404,581.20 = 81,518,204.55/x
  3. Step 3: Cross multiply
    192,199,750.62x = 288,404,581.20 × 81,518,204.55
  4. Step 4: Simplify right side
    192,199,750.62x = 23,510,223,643,418,684
  5. Step 5: Solve for x
    x = 23,510,223,643,418,684/192,199,750.62
  6. Step 6: Final answer
    x = 122,321,821.79

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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.