Home / 127,270,789.38-175,628,745.18-77,794,004.34

Finding the Fourth Proportional to 127,270,789.38, 175,628,745.18 and 77,794,004.34

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Solution

The fourth proportional to 127,270,789.38, 175,628,745.18 and 77,794,004.34 is: 107,352,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270,789.38 : 175,628,745.18 = 77,794,004.34 : x
  2. Step 2: Convert to fraction form
    127,270,789.38/175,628,745.18 = 77,794,004.34/x
  3. Step 3: Cross multiply
    127,270,789.38x = 175,628,745.18 × 77,794,004.34
  4. Step 4: Simplify right side
    127,270,789.38x = 13,662,863,364,761,676
  5. Step 5: Solve for x
    x = 13,662,863,364,761,676/127,270,789.38
  6. Step 6: Final answer
    x = 107,352,703.88

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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.