Home / 57,356,310.88-79,150,712.32-31,251,043.20

Finding the Fourth Proportional to 57,356,310.88, 79,150,712.32 and 31,251,043.20

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Solution

The fourth proportional to 57,356,310.88, 79,150,712.32 and 31,251,043.20 is: 43,125,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356,310.88 : 79,150,712.32 = 31,251,043.20 : x
  2. Step 2: Convert to fraction form
    57,356,310.88/79,150,712.32 = 31,251,043.20/x
  3. Step 3: Cross multiply
    57,356,310.88x = 79,150,712.32 × 31,251,043.20
  4. Step 4: Simplify right side
    57,356,310.88x = 2,473,542,330,023,092
  5. Step 5: Solve for x
    x = 2,473,542,330,023,092/57,356,310.88
  6. Step 6: Final answer
    x = 43,125,896.56

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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.