Home / 101,859,415,709.77-140,561,901,182.45-55,508,858,703.53

Finding the Fourth Proportional to 101,859,415,709.77, 140,561,901,182.45 and 55,508,858,703.53

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Solution

The fourth proportional to 101,859,415,709.77, 140,561,901,182.45 and 55,508,858,703.53 is: 76,599,994,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859,415,709.77 : 140,561,901,182.45 = 55,508,858,703.53 : x
  2. Step 2: Convert to fraction form
    101,859,415,709.77/140,561,901,182.45 = 55,508,858,703.53/x
  3. Step 3: Cross multiply
    101,859,415,709.77x = 140,561,901,182.45 × 55,508,858,703.53
  4. Step 4: Simplify right side
    101,859,415,709.77x = 7,802,430,711,836,163,702,784
  5. Step 5: Solve for x
    x = 7,802,430,711,836,163,702,784/101,859,415,709.77
  6. Step 6: Final answer
    x = 76,599,994,781.71

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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.