Home / 304,483,514.32-420,191,280.84-165,255,945.04

Finding the Fourth Proportional to 304,483,514.32, 420,191,280.84 and 165,255,945.04

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Solution

The fourth proportional to 304,483,514.32, 420,191,280.84 and 165,255,945.04 is: 228,055,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,483,514.32 : 420,191,280.84 = 165,255,945.04 : x
  2. Step 2: Convert to fraction form
    304,483,514.32/420,191,280.84 = 165,255,945.04/x
  3. Step 3: Cross multiply
    304,483,514.32x = 420,191,280.84 × 165,255,945.04
  4. Step 4: Simplify right side
    304,483,514.32x = 69,439,107,212,782,240
  5. Step 5: Solve for x
    x = 69,439,107,212,782,240/304,483,514.32
  6. Step 6: Final answer
    x = 228,055,391.99

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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.