Home / 404,108,998.80-606,163,498.20-131,479,765.80

Finding the Fourth Proportional to 404,108,998.80, 606,163,498.20 and 131,479,765.80

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Solution

The fourth proportional to 404,108,998.80, 606,163,498.20 and 131,479,765.80 is: 197,219,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,108,998.80 : 606,163,498.20 = 131,479,765.80 : x
  2. Step 2: Convert to fraction form
    404,108,998.80/606,163,498.20 = 131,479,765.80/x
  3. Step 3: Cross multiply
    404,108,998.80x = 606,163,498.20 × 131,479,765.80
  4. Step 4: Simplify right side
    404,108,998.80x = 79,698,234,779,844,720
  5. Step 5: Solve for x
    x = 79,698,234,779,844,720/404,108,998.80
  6. Step 6: Final answer
    x = 197,219,648.70

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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.