Home / 68,375,072.30-102,562,608.45-20,506,016.30

Finding the Fourth Proportional to 68,375,072.30, 102,562,608.45 and 20,506,016.30

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Solution

The fourth proportional to 68,375,072.30, 102,562,608.45 and 20,506,016.30 is: 30,759,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,375,072.30 : 102,562,608.45 = 20,506,016.30 : x
  2. Step 2: Convert to fraction form
    68,375,072.30/102,562,608.45 = 20,506,016.30/x
  3. Step 3: Cross multiply
    68,375,072.30x = 102,562,608.45 × 20,506,016.30
  4. Step 4: Simplify right side
    68,375,072.30x = 2,103,150,520,646,217.75
  5. Step 5: Solve for x
    x = 2,103,150,520,646,217.75/68,375,072.30
  6. Step 6: Final answer
    x = 30,759,024.45

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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.