Home / 99,081,466,865.40-148,561,376,101-38,505,014,183.78

Finding the Fourth Proportional to 99,081,466,865.40, 148,561,376,101 and 38,505,014,183.78

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Solution

The fourth proportional to 99,081,466,865.40, 148,561,376,101 and 38,505,014,183.78 is: 57,733,883,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081,466,865.40 : 148,561,376,101 = 38,505,014,183.78 : x
  2. Step 2: Convert to fraction form
    99,081,466,865.40/148,561,376,101 = 38,505,014,183.78/x
  3. Step 3: Cross multiply
    99,081,466,865.40x = 148,561,376,101 × 38,505,014,183.78
  4. Step 4: Simplify right side
    99,081,466,865.40x = 5,720,357,893,930,880,073,728
  5. Step 5: Solve for x
    x = 5,720,357,893,930,880,073,728/99,081,466,865.40
  6. Step 6: Final answer
    x = 57,733,883,791.83

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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.