Home / 168,106,757.70-252,041,057.19-74,682,417.90

Finding the Fourth Proportional to 168,106,757.70, 252,041,057.19 and 74,682,417.90

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Solution

The fourth proportional to 168,106,757.70, 252,041,057.19 and 74,682,417.90 is: 111,970,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,106,757.70 : 252,041,057.19 = 74,682,417.90 : x
  2. Step 2: Convert to fraction form
    168,106,757.70/252,041,057.19 = 74,682,417.90/x
  3. Step 3: Cross multiply
    168,106,757.70x = 252,041,057.19 × 74,682,417.90
  4. Step 4: Simplify right side
    168,106,757.70x = 18,823,035,561,021,380
  5. Step 5: Solve for x
    x = 18,823,035,561,021,380/168,106,757.70
  6. Step 6: Final answer
    x = 111,970,725.14

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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.