Home / 192,324,359.21-288,488,754.96-69,512,003.69

Finding the Fourth Proportional to 192,324,359.21, 288,488,754.96 and 69,512,003.69

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Solution

The fourth proportional to 192,324,359.21, 288,488,754.96 and 69,512,003.69 is: 104,268,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,324,359.21 : 288,488,754.96 = 69,512,003.69 : x
  2. Step 2: Convert to fraction form
    192,324,359.21/288,488,754.96 = 69,512,003.69/x
  3. Step 3: Cross multiply
    192,324,359.21x = 288,488,754.96 × 69,512,003.69
  4. Step 4: Simplify right side
    192,324,359.21x = 20,053,431,399,303,024
  5. Step 5: Solve for x
    x = 20,053,431,399,303,024/192,324,359.21
  6. Step 6: Final answer
    x = 104,268,806.52

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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.