Home / 168,494,750.20-252,364,211.70-138,261,662.20

Finding the Fourth Proportional to 168,494,750.20, 252,364,211.70 and 138,261,662.20

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Solution

The fourth proportional to 168,494,750.20, 252,364,211.70 and 138,261,662.20 is: 207,082,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494,750.20 : 252,364,211.70 = 138,261,662.20 : x
  2. Step 2: Convert to fraction form
    168,494,750.20/252,364,211.70 = 138,261,662.20/x
  3. Step 3: Cross multiply
    168,494,750.20x = 252,364,211.70 × 138,261,662.20
  4. Step 4: Simplify right side
    168,494,750.20x = 34,892,295,389,434,684
  5. Step 5: Solve for x
    x = 34,892,295,389,434,684/168,494,750.20
  6. Step 6: Final answer
    x = 207,082,388.91

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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.