Home / 168,401,231.40-252,601,847.10-82,194,940.20

Finding the Fourth Proportional to 168,401,231.40, 252,601,847.10 and 82,194,940.20

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Solution

The fourth proportional to 168,401,231.40, 252,601,847.10 and 82,194,940.20 is: 123,292,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401,231.40 : 252,601,847.10 = 82,194,940.20 : x
  2. Step 2: Convert to fraction form
    168,401,231.40/252,601,847.10 = 82,194,940.20/x
  3. Step 3: Cross multiply
    168,401,231.40x = 252,601,847.10 × 82,194,940.20
  4. Step 4: Simplify right side
    168,401,231.40x = 20,762,593,716,794,044
  5. Step 5: Solve for x
    x = 20,762,593,716,794,044/168,401,231.40
  6. Step 6: Final answer
    x = 123,292,410.30

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1.5x scale

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.