Home / 262,037,805.12-393,107,096.16-100,467,144

Finding the Fourth Proportional to 262,037,805.12, 393,107,096.16 and 100,467,144

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Solution

The fourth proportional to 262,037,805.12, 393,107,096.16 and 100,467,144 is: 150,720,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,037,805.12 : 393,107,096.16 = 100,467,144 : x
  2. Step 2: Convert to fraction form
    262,037,805.12/393,107,096.16 = 100,467,144/x
  3. Step 3: Cross multiply
    262,037,805.12x = 393,107,096.16 × 100,467,144
  4. Step 4: Simplify right side
    262,037,805.12x = 39,494,347,237,328,568
  5. Step 5: Solve for x
    x = 39,494,347,237,328,568/262,037,805.12
  6. Step 6: Final answer
    x = 150,720,035.30

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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.