Home / 154,591,028.64-213,336,062.01-88,512,540.48

Finding the Fourth Proportional to 154,591,028.64, 213,336,062.01 and 88,512,540.48

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Solution

The fourth proportional to 154,591,028.64, 213,336,062.01 and 88,512,540.48 is: 122,147,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,591,028.64 : 213,336,062.01 = 88,512,540.48 : x
  2. Step 2: Convert to fraction form
    154,591,028.64/213,336,062.01 = 88,512,540.48/x
  3. Step 3: Cross multiply
    154,591,028.64x = 213,336,062.01 × 88,512,540.48
  4. Step 4: Simplify right side
    154,591,028.64x = 18,882,916,824,503,916
  5. Step 5: Solve for x
    x = 18,882,916,824,503,916/154,591,028.64
  6. Step 6: Final answer
    x = 122,147,559.21

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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.