Home / 81,491,717.62-112,487,822.23-48,451,887.93

Finding the Fourth Proportional to 81,491,717.62, 112,487,822.23 and 48,451,887.93

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Solution

The fourth proportional to 81,491,717.62, 112,487,822.23 and 48,451,887.93 is: 66,880,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,491,717.62 : 112,487,822.23 = 48,451,887.93 : x
  2. Step 2: Convert to fraction form
    81,491,717.62/112,487,822.23 = 48,451,887.93/x
  3. Step 3: Cross multiply
    81,491,717.62x = 112,487,822.23 × 48,451,887.93
  4. Step 4: Simplify right side
    81,491,717.62x = 5,450,247,356,177,723
  5. Step 5: Solve for x
    x = 5,450,247,356,177,723/81,491,717.62
  6. Step 6: Final answer
    x = 66,880,997.42

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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.