Home / 165,950,091.33-229,009,721.40-91,609,055.55

Finding the Fourth Proportional to 165,950,091.33, 229,009,721.40 and 91,609,055.55

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Solution

The fourth proportional to 165,950,091.33, 229,009,721.40 and 91,609,055.55 is: 126,419,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950,091.33 : 229,009,721.40 = 91,609,055.55 : x
  2. Step 2: Convert to fraction form
    165,950,091.33/229,009,721.40 = 91,609,055.55/x
  3. Step 3: Cross multiply
    165,950,091.33x = 229,009,721.40 × 91,609,055.55
  4. Step 4: Simplify right side
    165,950,091.33x = 20,979,364,289,222,624
  5. Step 5: Solve for x
    x = 20,979,364,289,222,624/165,950,091.33
  6. Step 6: Final answer
    x = 126,419,721.26

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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.