Home / 154,591,029.64-213,336,063.39-88,512,541.48

Finding the Fourth Proportional to 154,591,029.64, 213,336,063.39 and 88,512,541.48

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Solution

The fourth proportional to 154,591,029.64, 213,336,063.39 and 88,512,541.48 is: 122,147,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,591,029.64 : 213,336,063.39 = 88,512,541.48 : x
  2. Step 2: Convert to fraction form
    154,591,029.64/213,336,063.39 = 88,512,541.48/x
  3. Step 3: Cross multiply
    154,591,029.64x = 213,336,063.39 × 88,512,541.48
  4. Step 4: Simplify right side
    154,591,029.64x = 18,882,917,159,987,284
  5. Step 5: Solve for x
    x = 18,882,917,159,987,284/154,591,029.64
  6. Step 6: Final answer
    x = 122,147,560.59

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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.