Home / 192,682,401.12-288,958,811.52-69,835,003.20

Finding the Fourth Proportional to 192,682,401.12, 288,958,811.52 and 69,835,003.20

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Solution

The fourth proportional to 192,682,401.12, 288,958,811.52 and 69,835,003.20 is: 104,729,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,682,401.12 : 288,958,811.52 = 69,835,003.20 : x
  2. Step 2: Convert to fraction form
    192,682,401.12/288,958,811.52 = 69,835,003.20/x
  3. Step 3: Cross multiply
    192,682,401.12x = 288,958,811.52 × 69,835,003.20
  4. Step 4: Simplify right side
    192,682,401.12x = 20,179,439,527,167,396
  5. Step 5: Solve for x
    x = 20,179,439,527,167,396/192,682,401.12
  6. Step 6: Final answer
    x = 104,729,022.53

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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.