Home / 168,443,998.80-252,665,998.20-91,916,494.80

Finding the Fourth Proportional to 168,443,998.80, 252,665,998.20 and 91,916,494.80

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Solution

The fourth proportional to 168,443,998.80, 252,665,998.20 and 91,916,494.80 is: 137,874,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443,998.80 : 252,665,998.20 = 91,916,494.80 : x
  2. Step 2: Convert to fraction form
    168,443,998.80/252,665,998.20 = 91,916,494.80/x
  3. Step 3: Cross multiply
    168,443,998.80x = 252,665,998.20 × 91,916,494.80
  4. Step 4: Simplify right side
    168,443,998.80x = 23,224,172,909,687,108
  5. Step 5: Solve for x
    x = 23,224,172,909,687,108/168,443,998.80
  6. Step 6: Final answer
    x = 137,874,742.20

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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.