Home / 202,250,490.44-279,103,689.78-109,428,961.64

Finding the Fourth Proportional to 202,250,490.44, 279,103,689.78 and 109,428,961.64

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Solution

The fourth proportional to 202,250,490.44, 279,103,689.78 and 109,428,961.64 is: 151,010,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,250,490.44 : 279,103,689.78 = 109,428,961.64 : x
  2. Step 2: Convert to fraction form
    202,250,490.44/279,103,689.78 = 109,428,961.64/x
  3. Step 3: Cross multiply
    202,250,490.44x = 279,103,689.78 × 109,428,961.64
  4. Step 4: Simplify right side
    202,250,490.44x = 30,542,026,962,518,076
  5. Step 5: Solve for x
    x = 30,542,026,962,518,076/202,250,490.44
  6. Step 6: Final answer
    x = 151,010,891.97

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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.