Home / 77,578,780.35-116,396,546.11-36,099,439.25

Finding the Fourth Proportional to 77,578,780.35, 116,396,546.11 and 36,099,439.25

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Solution

The fourth proportional to 77,578,780.35, 116,396,546.11 and 36,099,439.25 is: 54,162,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,578,780.35 : 116,396,546.11 = 36,099,439.25 : x
  2. Step 2: Convert to fraction form
    77,578,780.35/116,396,546.11 = 36,099,439.25/x
  3. Step 3: Cross multiply
    77,578,780.35x = 116,396,546.11 × 36,099,439.25
  4. Step 4: Simplify right side
    77,578,780.35x = 4,201,850,045,408,511.50
  5. Step 5: Solve for x
    x = 4,201,850,045,408,511.50/77,578,780.35
  6. Step 6: Final answer
    x = 54,162,362.78

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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.