Home / 81,979,423.37-113,131,508.38-44,809,947.75

Finding the Fourth Proportional to 81,979,423.37, 113,131,508.38 and 44,809,947.75

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Solution

The fourth proportional to 81,979,423.37, 113,131,508.38 and 44,809,947.75 is: 61,837,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979,423.37 : 113,131,508.38 = 44,809,947.75 : x
  2. Step 2: Convert to fraction form
    81,979,423.37/113,131,508.38 = 44,809,947.75/x
  3. Step 3: Cross multiply
    81,979,423.37x = 113,131,508.38 × 44,809,947.75
  4. Step 4: Simplify right side
    81,979,423.37x = 5,069,416,979,386,487
  5. Step 5: Solve for x
    x = 5,069,416,979,386,487/81,979,423.37
  6. Step 6: Final answer
    x = 61,837,675.49

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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.