Home / 165,481,685.53-228,375,097.22-91,142,231.29

Finding the Fourth Proportional to 165,481,685.53, 228,375,097.22 and 91,142,231.29

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Solution

The fourth proportional to 165,481,685.53, 228,375,097.22 and 91,142,231.29 is: 125,781,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,481,685.53 : 228,375,097.22 = 91,142,231.29 : x
  2. Step 2: Convert to fraction form
    165,481,685.53/228,375,097.22 = 91,142,231.29/x
  3. Step 3: Cross multiply
    165,481,685.53x = 228,375,097.22 × 91,142,231.29
  4. Step 4: Simplify right side
    165,481,685.53x = 20,814,615,930,674,828
  5. Step 5: Solve for x
    x = 20,814,615,930,674,828/165,481,685.53
  6. Step 6: Final answer
    x = 125,781,991.31

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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.