Home / 56,485,946.32-77,951,757.06-31,707,919.76

Finding the Fourth Proportional to 56,485,946.32, 77,951,757.06 and 31,707,919.76

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Solution

The fourth proportional to 56,485,946.32, 77,951,757.06 and 31,707,919.76 is: 43,757,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,485,946.32 : 77,951,757.06 = 31,707,919.76 : x
  2. Step 2: Convert to fraction form
    56,485,946.32/77,951,757.06 = 31,707,919.76/x
  3. Step 3: Cross multiply
    56,485,946.32x = 77,951,757.06 × 31,707,919.76
  4. Step 4: Simplify right side
    56,485,946.32x = 2,471,688,058,009,493.50
  5. Step 5: Solve for x
    x = 2,471,688,058,009,493.50/56,485,946.32
  6. Step 6: Final answer
    x = 43,757,575.45

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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.