Home / 68,027,101.20-102,040,651.80-55,910,246.40

Finding the Fourth Proportional to 68,027,101.20, 102,040,651.80 and 55,910,246.40

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Solution

The fourth proportional to 68,027,101.20, 102,040,651.80 and 55,910,246.40 is: 83,865,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,027,101.20 : 102,040,651.80 = 55,910,246.40 : x
  2. Step 2: Convert to fraction form
    68,027,101.20/102,040,651.80 = 55,910,246.40/x
  3. Step 3: Cross multiply
    68,027,101.20x = 102,040,651.80 × 55,910,246.40
  4. Step 4: Simplify right side
    68,027,101.20x = 5,705,117,984,954,603
  5. Step 5: Solve for x
    x = 5,705,117,984,954,603/68,027,101.20
  6. Step 6: Final answer
    x = 83,865,369.60

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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.