Home / 165,858,917.90-228,968,170.46-103,155,227.67

Finding the Fourth Proportional to 165,858,917.90, 228,968,170.46 and 103,155,227.67

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Solution

The fourth proportional to 165,858,917.90, 228,968,170.46 and 103,155,227.67 is: 142,405,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,858,917.90 : 228,968,170.46 = 103,155,227.67 : x
  2. Step 2: Convert to fraction form
    165,858,917.90/228,968,170.46 = 103,155,227.67/x
  3. Step 3: Cross multiply
    165,858,917.90x = 228,968,170.46 × 103,155,227.67
  4. Step 4: Simplify right side
    165,858,917.90x = 23,619,263,752,855,724
  5. Step 5: Solve for x
    x = 23,619,263,752,855,724/165,858,917.90
  6. Step 6: Final answer
    x = 142,405,750.93

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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.