Home / 198,693,551.92-298,040,404.68-89,391,077.68

Finding the Fourth Proportional to 198,693,551.92, 298,040,404.68 and 89,391,077.68

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Solution

The fourth proportional to 198,693,551.92, 298,040,404.68 and 89,391,077.68 is: 134,086,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,693,551.92 : 298,040,404.68 = 89,391,077.68 : x
  2. Step 2: Convert to fraction form
    198,693,551.92/298,040,404.68 = 89,391,077.68/x
  3. Step 3: Cross multiply
    198,693,551.92x = 298,040,404.68 × 89,391,077.68
  4. Step 4: Simplify right side
    198,693,551.92x = 26,642,152,966,528,520
  5. Step 5: Solve for x
    x = 26,642,152,966,528,520/198,693,551.92
  6. Step 6: Final answer
    x = 134,086,651.07

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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.