Home / 167,797,591,425.81-231,560,769,059.94-90,635,430,785.18

Finding the Fourth Proportional to 167,797,591,425.81, 231,560,769,059.94 and 90,635,430,785.18

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Solution

The fourth proportional to 167,797,591,425.81, 231,560,769,059.94 and 90,635,430,785.18 is: 125,076,944,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,797,591,425.81 : 231,560,769,059.94 = 90,635,430,785.18 : x
  2. Step 2: Convert to fraction form
    167,797,591,425.81/231,560,769,059.94 = 90,635,430,785.18/x
  3. Step 3: Cross multiply
    167,797,591,425.81x = 231,560,769,059.94 × 90,635,430,785.18
  4. Step 4: Simplify right side
    167,797,591,425.81x = 20,987,610,056,694,083,616,768
  5. Step 5: Solve for x
    x = 20,987,610,056,694,083,616,768/167,797,591,425.81
  6. Step 6: Final answer
    x = 125,076,944,659.09

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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.