Home / 451,325,090.39-676,992,847.79-136,193,849.57

Finding the Fourth Proportional to 451,325,090.39, 676,992,847.79 and 136,193,849.57

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Solution

The fourth proportional to 451,325,090.39, 676,992,847.79 and 136,193,849.57 is: 204,292,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,325,090.39 : 676,992,847.79 = 136,193,849.57 : x
  2. Step 2: Convert to fraction form
    451,325,090.39/676,992,847.79 = 136,193,849.57/x
  3. Step 3: Cross multiply
    451,325,090.39x = 676,992,847.79 × 136,193,849.57
  4. Step 4: Simplify right side
    451,325,090.39x = 92,202,262,073,910,128
  5. Step 5: Solve for x
    x = 92,202,262,073,910,128/451,325,090.39
  6. Step 6: Final answer
    x = 204,292,347.22

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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.