Home / 354,601,231.20-531,453,949.20-172,456,207.20

Finding the Fourth Proportional to 354,601,231.20, 531,453,949.20 and 172,456,207.20

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Solution

The fourth proportional to 354,601,231.20, 531,453,949.20 and 172,456,207.20 is: 258,466,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,601,231.20 : 531,453,949.20 = 172,456,207.20 : x
  2. Step 2: Convert to fraction form
    354,601,231.20/531,453,949.20 = 172,456,207.20/x
  3. Step 3: Cross multiply
    354,601,231.20x = 531,453,949.20 × 172,456,207.20
  4. Step 4: Simplify right side
    354,601,231.20x = 91,652,532,380,493,472
  5. Step 5: Solve for x
    x = 91,652,532,380,493,472/354,601,231.20
  6. Step 6: Final answer
    x = 258,466,480.98

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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.