Home / 82,530,912.87-113,893,843.38-45,364,633.92

Finding the Fourth Proportional to 82,530,912.87, 113,893,843.38 and 45,364,633.92

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Solution

The fourth proportional to 82,530,912.87, 113,893,843.38 and 45,364,633.92 is: 62,603,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530,912.87 : 113,893,843.38 = 45,364,633.92 : x
  2. Step 2: Convert to fraction form
    82,530,912.87/113,893,843.38 = 45,364,633.92/x
  3. Step 3: Cross multiply
    82,530,912.87x = 113,893,843.38 × 45,364,633.92
  4. Step 4: Simplify right side
    82,530,912.87x = 5,166,752,510,675,515
  5. Step 5: Solve for x
    x = 5,166,752,510,675,515/82,530,912.87
  6. Step 6: Final answer
    x = 62,603,845.41

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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.