Home / 206,496,902.25-309,743,253.77-53,142,362.73

Finding the Fourth Proportional to 206,496,902.25, 309,743,253.77 and 53,142,362.73

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Solution

The fourth proportional to 206,496,902.25, 309,743,253.77 and 53,142,362.73 is: 79,713,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,496,902.25 : 309,743,253.77 = 53,142,362.73 : x
  2. Step 2: Convert to fraction form
    206,496,902.25/309,743,253.77 = 53,142,362.73/x
  3. Step 3: Cross multiply
    206,496,902.25x = 309,743,253.77 × 53,142,362.73
  4. Step 4: Simplify right side
    206,496,902.25x = 16,460,488,344,750,066
  5. Step 5: Solve for x
    x = 16,460,488,344,750,066/206,496,902.25
  6. Step 6: Final answer
    x = 79,713,003.76

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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.