Home / 56,979,183.33-78,631,342.50-30,873,680.58

Finding the Fourth Proportional to 56,979,183.33, 78,631,342.50 and 30,873,680.58

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Solution

The fourth proportional to 56,979,183.33, 78,631,342.50 and 30,873,680.58 is: 42,605,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,183.33 : 78,631,342.50 = 30,873,680.58 : x
  2. Step 2: Convert to fraction form
    56,979,183.33/78,631,342.50 = 30,873,680.58/x
  3. Step 3: Cross multiply
    56,979,183.33x = 78,631,342.50 × 30,873,680.58
  4. Step 4: Simplify right side
    56,979,183.33x = 2,427,638,951,921,578.50
  5. Step 5: Solve for x
    x = 2,427,638,951,921,578.50/56,979,183.33
  6. Step 6: Final answer
    x = 42,605,716.86

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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.