Home / 408,116,887.20-612,175,330.80-165,953,584.80

Finding the Fourth Proportional to 408,116,887.20, 612,175,330.80 and 165,953,584.80

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Solution

The fourth proportional to 408,116,887.20, 612,175,330.80 and 165,953,584.80 is: 248,930,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,116,887.20 : 612,175,330.80 = 165,953,584.80 : x
  2. Step 2: Convert to fraction form
    408,116,887.20/612,175,330.80 = 165,953,584.80/x
  3. Step 3: Cross multiply
    408,116,887.20x = 612,175,330.80 × 165,953,584.80
  4. Step 4: Simplify right side
    408,116,887.20x = 101,592,690,672,385,856
  5. Step 5: Solve for x
    x = 101,592,690,672,385,856/408,116,887.20
  6. Step 6: Final answer
    x = 248,930,377.20

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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.