Home / 202,786,897.52-279,845,993.13-109,967,380.76

Finding the Fourth Proportional to 202,786,897.52, 279,845,993.13 and 109,967,380.76

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Solution

The fourth proportional to 202,786,897.52, 279,845,993.13 and 109,967,380.76 is: 151,755,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,786,897.52 : 279,845,993.13 = 109,967,380.76 : x
  2. Step 2: Convert to fraction form
    202,786,897.52/279,845,993.13 = 109,967,380.76/x
  3. Step 3: Cross multiply
    202,786,897.52x = 279,845,993.13 × 109,967,380.76
  4. Step 4: Simplify right side
    202,786,897.52x = 30,773,930,880,687,056
  5. Step 5: Solve for x
    x = 30,773,930,880,687,056/202,786,897.52
  6. Step 6: Final answer
    x = 151,755,025.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.