Home / 122,615,843.88-166,943,166.24-122,233,206.36

Finding the Fourth Proportional to 122,615,843.88, 166,943,166.24 and 122,233,206.36

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Solution

The fourth proportional to 122,615,843.88, 166,943,166.24 and 122,233,206.36 is: 166,422,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,615,843.88 : 166,943,166.24 = 122,233,206.36 : x
  2. Step 2: Convert to fraction form
    122,615,843.88/166,943,166.24 = 122,233,206.36/x
  3. Step 3: Cross multiply
    122,615,843.88x = 166,943,166.24 × 122,233,206.36
  4. Step 4: Simplify right side
    122,615,843.88x = 20,405,998,489,405,708
  5. Step 5: Solve for x
    x = 20,405,998,489,405,708/122,615,843.88
  6. Step 6: Final answer
    x = 166,422,199.97

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.