Home / 89,848,979.31-134,418,861.06-68,052,148.13

Finding the Fourth Proportional to 89,848,979.31, 134,418,861.06 and 68,052,148.13

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Solution

The fourth proportional to 89,848,979.31, 134,418,861.06 and 68,052,148.13 is: 101,809,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848,979.31 : 134,418,861.06 = 68,052,148.13 : x
  2. Step 2: Convert to fraction form
    89,848,979.31/134,418,861.06 = 68,052,148.13/x
  3. Step 3: Cross multiply
    89,848,979.31x = 134,418,861.06 × 68,052,148.13
  4. Step 4: Simplify right side
    89,848,979.31x = 9,147,492,243,648,914
  5. Step 5: Solve for x
    x = 9,147,492,243,648,914/89,848,979.31
  6. Step 6: Final answer
    x = 101,809,640.06

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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.