Home / 89,848,975.79-134,418,855.83-68,052,144.60

Finding the Fourth Proportional to 89,848,975.79, 134,418,855.83 and 68,052,144.60

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Solution

The fourth proportional to 89,848,975.79, 134,418,855.83 and 68,052,144.60 is: 101,809,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848,975.79 : 134,418,855.83 = 68,052,144.60 : x
  2. Step 2: Convert to fraction form
    89,848,975.79/134,418,855.83 = 68,052,144.60/x
  3. Step 3: Cross multiply
    89,848,975.79x = 134,418,855.83 × 68,052,144.60
  4. Step 4: Simplify right side
    89,848,975.79x = 9,147,491,413,569,450
  5. Step 5: Solve for x
    x = 9,147,491,413,569,450/89,848,975.79
  6. Step 6: Final answer
    x = 101,809,634.81

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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.