Home / 101,859,415,738.85-140,561,901,222.46-55,508,858,732.61

Finding the Fourth Proportional to 101,859,415,738.85, 140,561,901,222.46 and 55,508,858,732.61

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Solution

The fourth proportional to 101,859,415,738.85, 140,561,901,222.46 and 55,508,858,732.61 is: 76,599,994,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859,415,738.85 : 140,561,901,222.46 = 55,508,858,732.61 : x
  2. Step 2: Convert to fraction form
    101,859,415,738.85/140,561,901,222.46 = 55,508,858,732.61/x
  3. Step 3: Cross multiply
    101,859,415,738.85x = 140,561,901,222.46 × 55,508,858,732.61
  4. Step 4: Simplify right side
    101,859,415,738.85x = 7,802,430,718,143,910,379,520
  5. Step 5: Solve for x
    x = 7,802,430,718,143,910,379,520/101,859,415,738.85
  6. Step 6: Final answer
    x = 76,599,994,821.76

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1.5x scale

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.