Home / 84,015,843.60-115,949,516.01-50,984,496.39

Finding the Fourth Proportional to 84,015,843.60, 115,949,516.01 and 50,984,496.39

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Solution

The fourth proportional to 84,015,843.60, 115,949,516.01 and 50,984,496.39 is: 70,363,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015,843.60 : 115,949,516.01 = 50,984,496.39 : x
  2. Step 2: Convert to fraction form
    84,015,843.60/115,949,516.01 = 50,984,496.39/x
  3. Step 3: Cross multiply
    84,015,843.60x = 115,949,516.01 × 50,984,496.39
  4. Step 4: Simplify right side
    84,015,843.60x = 5,911,627,680,434,093
  5. Step 5: Solve for x
    x = 5,911,627,680,434,093/84,015,843.60
  6. Step 6: Final answer
    x = 70,363,248.49

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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.