Home / 126,725,076.52-174,959,589.56-87,100,835.56

Finding the Fourth Proportional to 126,725,076.52, 174,959,589.56 and 87,100,835.56

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Solution

The fourth proportional to 126,725,076.52, 174,959,589.56 and 87,100,835.56 is: 120,253,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725,076.52 : 174,959,589.56 = 87,100,835.56 : x
  2. Step 2: Convert to fraction form
    126,725,076.52/174,959,589.56 = 87,100,835.56/x
  3. Step 3: Cross multiply
    126,725,076.52x = 174,959,589.56 × 87,100,835.56
  4. Step 4: Simplify right side
    126,725,076.52x = 15,239,126,439,910,654
  5. Step 5: Solve for x
    x = 15,239,126,439,910,654/126,725,076.52
  6. Step 6: Final answer
    x = 120,253,440.43

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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.