Home / 545,936,138.20-818,904,207.30-239,826,122.20

Finding the Fourth Proportional to 545,936,138.20, 818,904,207.30 and 239,826,122.20

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Solution

The fourth proportional to 545,936,138.20, 818,904,207.30 and 239,826,122.20 is: 359,739,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,936,138.20 : 818,904,207.30 = 239,826,122.20 : x
  2. Step 2: Convert to fraction form
    545,936,138.20/818,904,207.30 = 239,826,122.20/x
  3. Step 3: Cross multiply
    545,936,138.20x = 818,904,207.30 × 239,826,122.20
  4. Step 4: Simplify right side
    545,936,138.20x = 196,394,620,490,023,904
  5. Step 5: Solve for x
    x = 196,394,620,490,023,904/545,936,138.20
  6. Step 6: Final answer
    x = 359,739,183.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.