Home / 139,822,708.44-192,965,845.50-81,084,863.64

Finding the Fourth Proportional to 139,822,708.44, 192,965,845.50 and 81,084,863.64

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Solution

The fourth proportional to 139,822,708.44, 192,965,845.50 and 81,084,863.64 is: 111,903,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,822,708.44 : 192,965,845.50 = 81,084,863.64 : x
  2. Step 2: Convert to fraction form
    139,822,708.44/192,965,845.50 = 81,084,863.64/x
  3. Step 3: Cross multiply
    139,822,708.44x = 192,965,845.50 × 81,084,863.64
  4. Step 4: Simplify right side
    139,822,708.44x = 15,646,609,269,544,808
  5. Step 5: Solve for x
    x = 15,646,609,269,544,808/139,822,708.44
  6. Step 6: Final answer
    x = 111,903,205.45

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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.