Home / 122,270,588.28-168,734,507.72-66,517,223.56

Finding the Fourth Proportional to 122,270,588.28, 168,734,507.72 and 66,517,223.56

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Solution

The fourth proportional to 122,270,588.28, 168,734,507.72 and 66,517,223.56 is: 91,794,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,270,588.28 : 168,734,507.72 = 66,517,223.56 : x
  2. Step 2: Convert to fraction form
    122,270,588.28/168,734,507.72 = 66,517,223.56/x
  3. Step 3: Cross multiply
    122,270,588.28x = 168,734,507.72 × 66,517,223.56
  4. Step 4: Simplify right side
    122,270,588.28x = 11,223,750,972,297,786
  5. Step 5: Solve for x
    x = 11,223,750,972,297,786/122,270,588.28
  6. Step 6: Final answer
    x = 91,794,364.70

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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.