Home / 115,435,523.73-159,303,600.24-65,874,910.71

Finding the Fourth Proportional to 115,435,523.73, 159,303,600.24 and 65,874,910.71

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Solution

The fourth proportional to 115,435,523.73, 159,303,600.24 and 65,874,910.71 is: 90,908,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435,523.73 : 159,303,600.24 = 65,874,910.71 : x
  2. Step 2: Convert to fraction form
    115,435,523.73/159,303,600.24 = 65,874,910.71/x
  3. Step 3: Cross multiply
    115,435,523.73x = 159,303,600.24 × 65,874,910.71
  4. Step 4: Simplify right side
    115,435,523.73x = 10,494,110,441,591,536
  5. Step 5: Solve for x
    x = 10,494,110,441,591,536/115,435,523.73
  6. Step 6: Final answer
    x = 90,908,847.66

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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.