Home / 299,467,808.10-449,201,712.15-138,224,672.10

Finding the Fourth Proportional to 299,467,808.10, 449,201,712.15 and 138,224,672.10

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Solution

The fourth proportional to 299,467,808.10, 449,201,712.15 and 138,224,672.10 is: 207,337,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,467,808.10 : 449,201,712.15 = 138,224,672.10 : x
  2. Step 2: Convert to fraction form
    299,467,808.10/449,201,712.15 = 138,224,672.10/x
  3. Step 3: Cross multiply
    299,467,808.10x = 449,201,712.15 × 138,224,672.10
  4. Step 4: Simplify right side
    299,467,808.10x = 62,090,759,368,692,328
  5. Step 5: Solve for x
    x = 62,090,759,368,692,328/299,467,808.10
  6. Step 6: Final answer
    x = 207,337,008.15

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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.