Home / 126,178,151.82-189,333,910.62-89,526,906.21

Finding the Fourth Proportional to 126,178,151.82, 189,333,910.62 and 89,526,906.21

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Solution

The fourth proportional to 126,178,151.82, 189,333,910.62 and 89,526,906.21 is: 134,337,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,151.82 : 189,333,910.62 = 89,526,906.21 : x
  2. Step 2: Convert to fraction form
    126,178,151.82/189,333,910.62 = 89,526,906.21/x
  3. Step 3: Cross multiply
    126,178,151.82x = 189,333,910.62 × 89,526,906.21
  4. Step 4: Simplify right side
    126,178,151.82x = 16,950,479,258,449,262
  5. Step 5: Solve for x
    x = 16,950,479,258,449,262/126,178,151.82
  6. Step 6: Final answer
    x = 134,337,672.68

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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.