Home / 299,467,821.60-449,201,732.40-138,224,685.60

Finding the Fourth Proportional to 299,467,821.60, 449,201,732.40 and 138,224,685.60

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Solution

The fourth proportional to 299,467,821.60, 449,201,732.40 and 138,224,685.60 is: 207,337,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,467,821.60 : 449,201,732.40 = 138,224,685.60 : x
  2. Step 2: Convert to fraction form
    299,467,821.60/449,201,732.40 = 138,224,685.60/x
  3. Step 3: Cross multiply
    299,467,821.60x = 449,201,732.40 × 138,224,685.60
  4. Step 4: Simplify right side
    299,467,821.60x = 62,090,768,231,965,328
  5. Step 5: Solve for x
    x = 62,090,768,231,965,328/299,467,821.60
  6. Step 6: Final answer
    x = 207,337,028.40

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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.