Home / 167,422,539.88-231,056,046.81-100,444,007.62

Finding the Fourth Proportional to 167,422,539.88, 231,056,046.81 and 100,444,007.62

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Solution

The fourth proportional to 167,422,539.88, 231,056,046.81 and 100,444,007.62 is: 138,620,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,422,539.88 : 231,056,046.81 = 100,444,007.62 : x
  2. Step 2: Convert to fraction form
    167,422,539.88/231,056,046.81 = 100,444,007.62/x
  3. Step 3: Cross multiply
    167,422,539.88x = 231,056,046.81 × 100,444,007.62
  4. Step 4: Simplify right side
    167,422,539.88x = 23,208,195,325,853,080
  5. Step 5: Solve for x
    x = 23,208,195,325,853,080/167,422,539.88
  6. Step 6: Final answer
    x = 138,620,494.84

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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.