Home / 304,546,613.76-420,274,860.24-165,317,470.08

Finding the Fourth Proportional to 304,546,613.76, 420,274,860.24 and 165,317,470.08

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Solution

The fourth proportional to 304,546,613.76, 420,274,860.24 and 165,317,470.08 is: 228,138,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,546,613.76 : 420,274,860.24 = 165,317,470.08 : x
  2. Step 2: Convert to fraction form
    304,546,613.76/420,274,860.24 = 165,317,470.08/x
  3. Step 3: Cross multiply
    304,546,613.76x = 420,274,860.24 × 165,317,470.08
  4. Step 4: Simplify right side
    304,546,613.76x = 69,478,776,633,102,392
  5. Step 5: Solve for x
    x = 69,478,776,633,102,392/304,546,613.76
  6. Step 6: Final answer
    x = 228,138,398.18

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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.