Home / 279,024,222.48-418,264,791.96-133,420,177.68

Finding the Fourth Proportional to 279,024,222.48, 418,264,791.96 and 133,420,177.68

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Solution

The fourth proportional to 279,024,222.48, 418,264,791.96 and 133,420,177.68 is: 200,000,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,024,222.48 : 418,264,791.96 = 133,420,177.68 : x
  2. Step 2: Convert to fraction form
    279,024,222.48/418,264,791.96 = 133,420,177.68/x
  3. Step 3: Cross multiply
    279,024,222.48x = 418,264,791.96 × 133,420,177.68
  4. Step 4: Simplify right side
    279,024,222.48x = 55,804,962,860,591,432
  5. Step 5: Solve for x
    x = 55,804,962,860,591,432/279,024,222.48
  6. Step 6: Final answer
    x = 200,000,424.21

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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.