Home / 83,922,921.39-115,782,910.16-50,859,318.51

Finding the Fourth Proportional to 83,922,921.39, 115,782,910.16 and 50,859,318.51

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Solution

The fourth proportional to 83,922,921.39, 115,782,910.16 and 50,859,318.51 is: 70,167,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,922,921.39 : 115,782,910.16 = 50,859,318.51 : x
  2. Step 2: Convert to fraction form
    83,922,921.39/115,782,910.16 = 50,859,318.51/x
  3. Step 3: Cross multiply
    83,922,921.39x = 115,782,910.16 × 50,859,318.51
  4. Step 4: Simplify right side
    83,922,921.39x = 5,888,639,905,587,858
  5. Step 5: Solve for x
    x = 5,888,639,905,587,858/83,922,921.39
  6. Step 6: Final answer
    x = 70,167,241.66

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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.