Home / 83,868,834.53-115,738,754.69-47,199,405.57

Finding the Fourth Proportional to 83,868,834.53, 115,738,754.69 and 47,199,405.57

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Solution

The fourth proportional to 83,868,834.53, 115,738,754.69 and 47,199,405.57 is: 65,135,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868,834.53 : 115,738,754.69 = 47,199,405.57 : x
  2. Step 2: Convert to fraction form
    83,868,834.53/115,738,754.69 = 47,199,405.57/x
  3. Step 3: Cross multiply
    83,868,834.53x = 115,738,754.69 × 47,199,405.57
  4. Step 4: Simplify right side
    83,868,834.53x = 5,462,800,422,544,053
  5. Step 5: Solve for x
    x = 5,462,800,422,544,053/83,868,834.53
  6. Step 6: Final answer
    x = 65,135,046.33

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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.