Home / 101,859,415,722.78-140,561,901,200.45-55,508,858,716.54

Finding the Fourth Proportional to 101,859,415,722.78, 140,561,901,200.45 and 55,508,858,716.54

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Solution

The fourth proportional to 101,859,415,722.78, 140,561,901,200.45 and 55,508,858,716.54 is: 76,599,994,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859,415,722.78 : 140,561,901,200.45 = 55,508,858,716.54 : x
  2. Step 2: Convert to fraction form
    101,859,415,722.78/140,561,901,200.45 = 55,508,858,716.54/x
  3. Step 3: Cross multiply
    101,859,415,722.78x = 140,561,901,200.45 × 55,508,858,716.54
  4. Step 4: Simplify right side
    101,859,415,722.78x = 7,802,430,714,664,033,714,176
  5. Step 5: Solve for x
    x = 7,802,430,714,664,033,714,176/101,859,415,722.78
  6. Step 6: Final answer
    x = 76,599,994,799.69

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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.