Home / 126,725,063.52-174,959,571.60-87,100,822.56

Finding the Fourth Proportional to 126,725,063.52, 174,959,571.60 and 87,100,822.56

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Solution

The fourth proportional to 126,725,063.52, 174,959,571.60 and 87,100,822.56 is: 120,253,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725,063.52 : 174,959,571.60 = 87,100,822.56 : x
  2. Step 2: Convert to fraction form
    126,725,063.52/174,959,571.60 = 87,100,822.56/x
  3. Step 3: Cross multiply
    126,725,063.52x = 174,959,571.60 × 87,100,822.56
  4. Step 4: Simplify right side
    126,725,063.52x = 15,239,122,601,105,216
  5. Step 5: Solve for x
    x = 15,239,122,601,105,216/126,725,063.52
  6. Step 6: Final answer
    x = 120,253,422.47

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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.