Home / 81,398,015,737.94-112,251,305,419.12-53,888,054,749.94

Finding the Fourth Proportional to 81,398,015,737.94, 112,251,305,419.12 and 53,888,054,749.94

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Solution

The fourth proportional to 81,398,015,737.94, 112,251,305,419.12 and 53,888,054,749.94 is: 74,313,906,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,398,015,737.94 : 112,251,305,419.12 = 53,888,054,749.94 : x
  2. Step 2: Convert to fraction form
    81,398,015,737.94/112,251,305,419.12 = 53,888,054,749.94/x
  3. Step 3: Cross multiply
    81,398,015,737.94x = 112,251,305,419.12 × 53,888,054,749.94
  4. Step 4: Simplify right side
    81,398,015,737.94x = 6,049,004,492,177,999,396,864
  5. Step 5: Solve for x
    x = 6,049,004,492,177,999,396,864/81,398,015,737.94
  6. Step 6: Final answer
    x = 74,313,906,025.09

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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.