Home / 122,207,863.37-168,650,047.73-66,456,544.46

Finding the Fourth Proportional to 122,207,863.37, 168,650,047.73 and 66,456,544.46

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Solution

The fourth proportional to 122,207,863.37, 168,650,047.73 and 66,456,544.46 is: 91,711,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207,863.37 : 168,650,047.73 = 66,456,544.46 : x
  2. Step 2: Convert to fraction form
    122,207,863.37/168,650,047.73 = 66,456,544.46/x
  3. Step 3: Cross multiply
    122,207,863.37x = 168,650,047.73 × 66,456,544.46
  4. Step 4: Simplify right side
    122,207,863.37x = 11,207,899,394,306,616
  5. Step 5: Solve for x
    x = 11,207,899,394,306,616/122,207,863.37
  6. Step 6: Final answer
    x = 91,711,769.49

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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.