Home / 165,858,917.45-228,968,169.82-103,155,227.21

Finding the Fourth Proportional to 165,858,917.45, 228,968,169.82 and 103,155,227.21

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Solution

The fourth proportional to 165,858,917.45, 228,968,169.82 and 103,155,227.21 is: 142,405,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,858,917.45 : 228,968,169.82 = 103,155,227.21 : x
  2. Step 2: Convert to fraction form
    165,858,917.45/228,968,169.82 = 103,155,227.21/x
  3. Step 3: Cross multiply
    165,858,917.45x = 228,968,169.82 × 103,155,227.21
  4. Step 4: Simplify right side
    165,858,917.45x = 23,619,263,581,954,500
  5. Step 5: Solve for x
    x = 23,619,263,581,954,500/165,858,917.45
  6. Step 6: Final answer
    x = 142,405,750.30

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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.