Home / 68,678,445.60-102,907,443.60-36,288,100.80

Finding the Fourth Proportional to 68,678,445.60, 102,907,443.60 and 36,288,100.80

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Solution

The fourth proportional to 68,678,445.60, 102,907,443.60 and 36,288,100.80 is: 54,373,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678,445.60 : 102,907,443.60 = 36,288,100.80 : x
  2. Step 2: Convert to fraction form
    68,678,445.60/102,907,443.60 = 36,288,100.80/x
  3. Step 3: Cross multiply
    68,678,445.60x = 102,907,443.60 × 36,288,100.80
  4. Step 4: Simplify right side
    68,678,445.60x = 3,734,315,686,427,114.50
  5. Step 5: Solve for x
    x = 3,734,315,686,427,114.50/68,678,445.60
  6. Step 6: Final answer
    x = 54,373,910.97

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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.