Home / 81,382,093.20-122,048,791.20-26,784,600.48

Finding the Fourth Proportional to 81,382,093.20, 122,048,791.20 and 26,784,600.48

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Solution

The fourth proportional to 81,382,093.20, 122,048,791.20 and 26,784,600.48 is: 40,168,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,382,093.20 : 122,048,791.20 = 26,784,600.48 : x
  2. Step 2: Convert to fraction form
    81,382,093.20/122,048,791.20 = 26,784,600.48/x
  3. Step 3: Cross multiply
    81,382,093.20x = 122,048,791.20 × 26,784,600.48
  4. Step 4: Simplify right side
    81,382,093.20x = 3,269,028,111,358,940
  5. Step 5: Solve for x
    x = 3,269,028,111,358,940/81,382,093.20
  6. Step 6: Final answer
    x = 40,168,887.07

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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.