Home / 192,392,456.85-265,722,238.68-126,606,642.56

Finding the Fourth Proportional to 192,392,456.85, 265,722,238.68 and 126,606,642.56

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Solution

The fourth proportional to 192,392,456.85, 265,722,238.68 and 126,606,642.56 is: 174,862,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,392,456.85 : 265,722,238.68 = 126,606,642.56 : x
  2. Step 2: Convert to fraction form
    192,392,456.85/265,722,238.68 = 126,606,642.56/x
  3. Step 3: Cross multiply
    192,392,456.85x = 265,722,238.68 × 126,606,642.56
  4. Step 4: Simplify right side
    192,392,456.85x = 33,642,200,491,473,156
  5. Step 5: Solve for x
    x = 33,642,200,491,473,156/192,392,456.85
  6. Step 6: Final answer
    x = 174,862,367.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.