Home / 200,786,771.05-301,193,992.42-84,084,625.01

Finding the Fourth Proportional to 200,786,771.05, 301,193,992.42 and 84,084,625.01

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Solution

The fourth proportional to 200,786,771.05, 301,193,992.42 and 84,084,625.01 is: 126,132,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,786,771.05 : 301,193,992.42 = 84,084,625.01 : x
  2. Step 2: Convert to fraction form
    200,786,771.05/301,193,992.42 = 84,084,625.01/x
  3. Step 3: Cross multiply
    200,786,771.05x = 301,193,992.42 × 84,084,625.01
  4. Step 4: Simplify right side
    200,786,771.05x = 25,325,783,908,443,260
  5. Step 5: Solve for x
    x = 25,325,783,908,443,260/200,786,771.05
  6. Step 6: Final answer
    x = 126,132,731.64

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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.