Home / 78,322,896.69-117,471,314.26-23,722,500.73

Finding the Fourth Proportional to 78,322,896.69, 117,471,314.26 and 23,722,500.73

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Solution

The fourth proportional to 78,322,896.69, 117,471,314.26 and 23,722,500.73 is: 35,579,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,896.69 : 117,471,314.26 = 23,722,500.73 : x
  2. Step 2: Convert to fraction form
    78,322,896.69/117,471,314.26 = 23,722,500.73/x
  3. Step 3: Cross multiply
    78,322,896.69x = 117,471,314.26 × 23,722,500.73
  4. Step 4: Simplify right side
    78,322,896.69x = 2,786,713,338,109,703
  5. Step 5: Solve for x
    x = 2,786,713,338,109,703/78,322,896.69
  6. Step 6: Final answer
    x = 35,579,804.32

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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.