Home / 89,768,546.46-134,652,820.03-69,328,080.38

Finding the Fourth Proportional to 89,768,546.46, 134,652,820.03 and 69,328,080.38

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Solution

The fourth proportional to 89,768,546.46, 134,652,820.03 and 69,328,080.38 is: 103,992,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,768,546.46 : 134,652,820.03 = 69,328,080.38 : x
  2. Step 2: Convert to fraction form
    89,768,546.46/134,652,820.03 = 69,328,080.38/x
  3. Step 3: Cross multiply
    89,768,546.46x = 134,652,820.03 × 69,328,080.38
  4. Step 4: Simplify right side
    89,768,546.46x = 9,335,221,530,433,514
  5. Step 5: Solve for x
    x = 9,335,221,530,433,514/89,768,546.46
  6. Step 6: Final answer
    x = 103,992,120.83

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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.