Home / 216,897,906.20-299,318,163.91-117,777,848.85

Finding the Fourth Proportional to 216,897,906.20, 299,318,163.91 and 117,777,848.85

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Solution

The fourth proportional to 216,897,906.20, 299,318,163.91 and 117,777,848.85 is: 162,532,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,897,906.20 : 299,318,163.91 = 117,777,848.85 : x
  2. Step 2: Convert to fraction form
    216,897,906.20/299,318,163.91 = 117,777,848.85/x
  3. Step 3: Cross multiply
    216,897,906.20x = 299,318,163.91 × 117,777,848.85
  4. Step 4: Simplify right side
    216,897,906.20x = 35,253,049,466,757,060
  5. Step 5: Solve for x
    x = 35,253,049,466,757,060/216,897,906.20
  6. Step 6: Final answer
    x = 162,532,917.38

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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.