Home / 78,273,163.49-117,369,583.11-41,404,952.61

Finding the Fourth Proportional to 78,273,163.49, 117,369,583.11 and 41,404,952.61

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Solution

The fourth proportional to 78,273,163.49, 117,369,583.11 and 41,404,952.61 is: 62,086,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,273,163.49 : 117,369,583.11 = 41,404,952.61 : x
  2. Step 2: Convert to fraction form
    78,273,163.49/117,369,583.11 = 41,404,952.61/x
  3. Step 3: Cross multiply
    78,273,163.49x = 117,369,583.11 × 41,404,952.61
  4. Step 4: Simplify right side
    78,273,163.49x = 4,859,682,026,525,006
  5. Step 5: Solve for x
    x = 4,859,682,026,525,006/78,273,163.49
  6. Step 6: Final answer
    x = 62,086,183.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.