Home / 222,384,726.60-306,890,391.36-121,912,984.32

Finding the Fourth Proportional to 222,384,726.60, 306,890,391.36 and 121,912,984.32

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Solution

The fourth proportional to 222,384,726.60, 306,890,391.36 and 121,912,984.32 is: 168,239,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384,726.60 : 306,890,391.36 = 121,912,984.32 : x
  2. Step 2: Convert to fraction form
    222,384,726.60/306,890,391.36 = 121,912,984.32/x
  3. Step 3: Cross multiply
    222,384,726.60x = 306,890,391.36 × 121,912,984.32
  4. Step 4: Simplify right side
    222,384,726.60x = 37,413,923,469,830,344
  5. Step 5: Solve for x
    x = 37,413,923,469,830,344/222,384,726.60
  6. Step 6: Final answer
    x = 168,239,627.07

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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.