Home / 56,485,944.32-77,951,754.29-31,707,917.76

Finding the Fourth Proportional to 56,485,944.32, 77,951,754.29 and 31,707,917.76

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Solution

The fourth proportional to 56,485,944.32, 77,951,754.29 and 31,707,917.76 is: 43,757,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485,944.32 : 77,951,754.29 = 31,707,917.76 : x
  2. Step 2: Convert to fraction form
    56,485,944.32/77,951,754.29 = 31,707,917.76/x
  3. Step 3: Cross multiply
    56,485,944.32x = 77,951,754.29 × 31,707,917.76
  4. Step 4: Simplify right side
    56,485,944.32x = 2,471,687,814,354,317
  5. Step 5: Solve for x
    x = 2,471,687,814,354,317/56,485,944.32
  6. Step 6: Final answer
    x = 43,757,572.68

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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.