Home / 281,320,326.14-421,755,135.20-133,693,791.13

Finding the Fourth Proportional to 281,320,326.14, 421,755,135.20 and 133,693,791.13

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Solution

The fourth proportional to 281,320,326.14, 421,755,135.20 and 133,693,791.13 is: 200,433,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,320,326.14 : 421,755,135.20 = 133,693,791.13 : x
  2. Step 2: Convert to fraction form
    281,320,326.14/421,755,135.20 = 133,693,791.13/x
  3. Step 3: Cross multiply
    281,320,326.14x = 421,755,135.20 × 133,693,791.13
  4. Step 4: Simplify right side
    281,320,326.14x = 56,386,042,950,656,464
  5. Step 5: Solve for x
    x = 56,386,042,950,656,464/281,320,326.14
  6. Step 6: Final answer
    x = 200,433,590.15

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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.