Home / 221,470,906.44-332,161,265.34-81,363,208.86

Finding the Fourth Proportional to 221,470,906.44, 332,161,265.34 and 81,363,208.86

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Solution

The fourth proportional to 221,470,906.44, 332,161,265.34 and 81,363,208.86 is: 122,028,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,470,906.44 : 332,161,265.34 = 81,363,208.86 : x
  2. Step 2: Convert to fraction form
    221,470,906.44/332,161,265.34 = 81,363,208.86/x
  3. Step 3: Cross multiply
    221,470,906.44x = 332,161,265.34 × 81,363,208.86
  4. Step 4: Simplify right side
    221,470,906.44x = 27,025,706,407,060,296
  5. Step 5: Solve for x
    x = 27,025,706,407,060,296/221,470,906.44
  6. Step 6: Final answer
    x = 122,028,246.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.