Home / 304,489,350.64-420,199,334.94-165,261,781.36

Finding the Fourth Proportional to 304,489,350.64, 420,199,334.94 and 165,261,781.36

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Solution

The fourth proportional to 304,489,350.64, 420,199,334.94 and 165,261,781.36 is: 228,063,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,350.64 : 420,199,334.94 = 165,261,781.36 : x
  2. Step 2: Convert to fraction form
    304,489,350.64/420,199,334.94 = 165,261,781.36/x
  3. Step 3: Cross multiply
    304,489,350.64x = 420,199,334.94 × 165,261,781.36
  4. Step 4: Simplify right side
    304,489,350.64x = 69,442,890,618,471,696
  5. Step 5: Solve for x
    x = 69,442,890,618,471,696/304,489,350.64
  6. Step 6: Final answer
    x = 228,063,446.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.