Home / 304,489,345.14-420,199,327.37-165,261,775.86

Finding the Fourth Proportional to 304,489,345.14, 420,199,327.37 and 165,261,775.86

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Solution

The fourth proportional to 304,489,345.14, 420,199,327.37 and 165,261,775.86 is: 228,063,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,489,345.14 : 420,199,327.37 = 165,261,775.86 : x
  2. Step 2: Convert to fraction form
    304,489,345.14/420,199,327.37 = 165,261,775.86/x
  3. Step 3: Cross multiply
    304,489,345.14x = 420,199,327.37 × 165,261,775.86
  4. Step 4: Simplify right side
    304,489,345.14x = 69,442,887,055,517,400
  5. Step 5: Solve for x
    x = 69,442,887,055,517,400/304,489,345.14
  6. Step 6: Final answer
    x = 228,063,438.55

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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.