Home / 81,853,682-112,954,109.64-46,568,163.92

Finding the Fourth Proportional to 81,853,682, 112,954,109.64 and 46,568,163.92

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Solution

The fourth proportional to 81,853,682, 112,954,109.64 and 46,568,163.92 is: 64,261,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,853,682 : 112,954,109.64 = 46,568,163.92 : x
  2. Step 2: Convert to fraction form
    81,853,682/112,954,109.64 = 46,568,163.92/x
  3. Step 3: Cross multiply
    81,853,682x = 112,954,109.64 × 46,568,163.92
  4. Step 4: Simplify right side
    81,853,682x = 5,260,065,493,153,172
  5. Step 5: Solve for x
    x = 5,260,065,493,153,172/81,853,682
  6. Step 6: Final answer
    x = 64,261,806.73

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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.