Home / 205,227,208.16-308,331,917.96-131,595,249.82

Finding the Fourth Proportional to 205,227,208.16, 308,331,917.96 and 131,595,249.82

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Solution

The fourth proportional to 205,227,208.16, 308,331,917.96 and 131,595,249.82 is: 197,707,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,227,208.16 : 308,331,917.96 = 131,595,249.82 : x
  2. Step 2: Convert to fraction form
    205,227,208.16/308,331,917.96 = 131,595,249.82/x
  3. Step 3: Cross multiply
    205,227,208.16x = 308,331,917.96 × 131,595,249.82
  4. Step 4: Simplify right side
    205,227,208.16x = 40,575,015,771,425,936
  5. Step 5: Solve for x
    x = 40,575,015,771,425,936/205,227,208.16
  6. Step 6: Final answer
    x = 197,707,780.25

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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.