Home / 198,718,717.50-298,110,455.01-58,673,331.15

Finding the Fourth Proportional to 198,718,717.50, 298,110,455.01 and 58,673,331.15

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Solution

The fourth proportional to 198,718,717.50, 298,110,455.01 and 58,673,331.15 is: 88,019,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,718,717.50 : 298,110,455.01 = 58,673,331.15 : x
  2. Step 2: Convert to fraction form
    198,718,717.50/298,110,455.01 = 58,673,331.15/x
  3. Step 3: Cross multiply
    198,718,717.50x = 298,110,455.01 × 58,673,331.15
  4. Step 4: Simplify right side
    198,718,717.50x = 17,491,133,446,078,906
  5. Step 5: Solve for x
    x = 17,491,133,446,078,906/198,718,717.50
  6. Step 6: Final answer
    x = 88,019,556.82

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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.