Home / 122,218,201.39-169,105,249.28-106,569,856.57

Finding the Fourth Proportional to 122,218,201.39, 169,105,249.28 and 106,569,856.57

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Solution

The fourth proportional to 122,218,201.39, 169,105,249.28 and 106,569,856.57 is: 147,453,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218,201.39 : 169,105,249.28 = 106,569,856.57 : x
  2. Step 2: Convert to fraction form
    122,218,201.39/169,105,249.28 = 106,569,856.57/x
  3. Step 3: Cross multiply
    122,218,201.39x = 169,105,249.28 × 106,569,856.57
  4. Step 4: Simplify right side
    122,218,201.39x = 18,021,522,161,003,696
  5. Step 5: Solve for x
    x = 18,021,522,161,003,696/122,218,201.39
  6. Step 6: Final answer
    x = 147,453,668.57

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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.