Home / 304,483,517.82-420,191,285.67-165,255,948.54

Finding the Fourth Proportional to 304,483,517.82, 420,191,285.67 and 165,255,948.54

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Solution

The fourth proportional to 304,483,517.82, 420,191,285.67 and 165,255,948.54 is: 228,055,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,483,517.82 : 420,191,285.67 = 165,255,948.54 : x
  2. Step 2: Convert to fraction form
    304,483,517.82/420,191,285.67 = 165,255,948.54/x
  3. Step 3: Cross multiply
    304,483,517.82x = 420,191,285.67 × 165,255,948.54
  4. Step 4: Simplify right side
    304,483,517.82x = 69,439,109,481,637,960
  5. Step 5: Solve for x
    x = 69,439,109,481,637,960/304,483,517.82
  6. Step 6: Final answer
    x = 228,055,396.82

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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.