Home / 168,106,764.70-252,041,067.68-74,682,424.90

Finding the Fourth Proportional to 168,106,764.70, 252,041,067.68 and 74,682,424.90

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Solution

The fourth proportional to 168,106,764.70, 252,041,067.68 and 74,682,424.90 is: 111,970,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,106,764.70 : 252,041,067.68 = 74,682,424.90 : x
  2. Step 2: Convert to fraction form
    168,106,764.70/252,041,067.68 = 74,682,424.90/x
  3. Step 3: Cross multiply
    168,106,764.70x = 252,041,067.68 × 74,682,424.90
  4. Step 4: Simplify right side
    168,106,764.70x = 18,823,038,108,727,420
  5. Step 5: Solve for x
    x = 18,823,038,108,727,420/168,106,764.70
  6. Step 6: Final answer
    x = 111,970,735.64

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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.