Home / 89,768,544.46-134,652,817.03-69,328,078.38

Finding the Fourth Proportional to 89,768,544.46, 134,652,817.03 and 69,328,078.38

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Solution

The fourth proportional to 89,768,544.46, 134,652,817.03 and 69,328,078.38 is: 103,992,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,768,544.46 : 134,652,817.03 = 69,328,078.38 : x
  2. Step 2: Convert to fraction form
    89,768,544.46/134,652,817.03 = 69,328,078.38/x
  3. Step 3: Cross multiply
    89,768,544.46x = 134,652,817.03 × 69,328,078.38
  4. Step 4: Simplify right side
    89,768,544.46x = 9,335,221,052,916,554
  5. Step 5: Solve for x
    x = 9,335,221,052,916,554/89,768,544.46
  6. Step 6: Final answer
    x = 103,992,117.83

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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.