Home / 68,436,913.44-102,654,477.12-16,621,940.88

Finding the Fourth Proportional to 68,436,913.44, 102,654,477.12 and 16,621,940.88

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Solution

The fourth proportional to 68,436,913.44, 102,654,477.12 and 16,621,940.88 is: 24,932,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436,913.44 : 102,654,477.12 = 16,621,940.88 : x
  2. Step 2: Convert to fraction form
    68,436,913.44/102,654,477.12 = 16,621,940.88/x
  3. Step 3: Cross multiply
    68,436,913.44x = 102,654,477.12 × 16,621,940.88
  4. Step 4: Simplify right side
    68,436,913.44x = 1,706,316,649,755,952.75
  5. Step 5: Solve for x
    x = 1,706,316,649,755,952.75/68,436,913.44
  6. Step 6: Final answer
    x = 24,932,694.42

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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.