Home / 304,489,348.14-420,199,331.51-165,261,778.86

Finding the Fourth Proportional to 304,489,348.14, 420,199,331.51 and 165,261,778.86

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Solution

The fourth proportional to 304,489,348.14, 420,199,331.51 and 165,261,778.86 is: 228,063,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,348.14 : 420,199,331.51 = 165,261,778.86 : x
  2. Step 2: Convert to fraction form
    304,489,348.14/420,199,331.51 = 165,261,778.86/x
  3. Step 3: Cross multiply
    304,489,348.14x = 420,199,331.51 × 165,261,778.86
  4. Step 4: Simplify right side
    304,489,348.14x = 69,442,889,001,125,456
  5. Step 5: Solve for x
    x = 69,442,889,001,125,456/304,489,348.14
  6. Step 6: Final answer
    x = 228,063,442.70

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