Home / 122,218,202.39-169,105,250.66-106,569,857.57

Finding the Fourth Proportional to 122,218,202.39, 169,105,250.66 and 106,569,857.57

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Solution

The fourth proportional to 122,218,202.39, 169,105,250.66 and 106,569,857.57 is: 147,453,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218,202.39 : 169,105,250.66 = 106,569,857.57 : x
  2. Step 2: Convert to fraction form
    122,218,202.39/169,105,250.66 = 106,569,857.57/x
  3. Step 3: Cross multiply
    122,218,202.39x = 169,105,250.66 × 106,569,857.57
  4. Step 4: Simplify right side
    122,218,202.39x = 18,021,522,477,175,348
  5. Step 5: Solve for x
    x = 18,021,522,477,175,348/122,218,202.39
  6. Step 6: Final answer
    x = 147,453,669.95

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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.