Home / 81,003,391.44-111,785,356.23-47,532,884.61

Finding the Fourth Proportional to 81,003,391.44, 111,785,356.23 and 47,532,884.61

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Solution

The fourth proportional to 81,003,391.44, 111,785,356.23 and 47,532,884.61 is: 65,595,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,003,391.44 : 111,785,356.23 = 47,532,884.61 : x
  2. Step 2: Convert to fraction form
    81,003,391.44/111,785,356.23 = 47,532,884.61/x
  3. Step 3: Cross multiply
    81,003,391.44x = 111,785,356.23 × 47,532,884.61
  4. Step 4: Simplify right side
    81,003,391.44x = 5,313,480,438,768,335
  5. Step 5: Solve for x
    x = 5,313,480,438,768,335/81,003,391.44
  6. Step 6: Final answer
    x = 65,595,777.46

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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.