Home / 66,422,449.20-99,598,244.40-28,040,599.20

Finding the Fourth Proportional to 66,422,449.20, 99,598,244.40 and 28,040,599.20

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Solution

The fourth proportional to 66,422,449.20, 99,598,244.40 and 28,040,599.20 is: 42,045,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422,449.20 : 99,598,244.40 = 28,040,599.20 : x
  2. Step 2: Convert to fraction form
    66,422,449.20/99,598,244.40 = 28,040,599.20/x
  3. Step 3: Cross multiply
    66,422,449.20x = 99,598,244.40 × 28,040,599.20
  4. Step 4: Simplify right side
    66,422,449.20x = 2,792,794,452,244,044.50
  5. Step 5: Solve for x
    x = 2,792,794,452,244,044.50/66,422,449.20
  6. Step 6: Final answer
    x = 42,045,942.09

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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.