Home / 139,822,707.44-192,965,844.12-81,084,862.64

Finding the Fourth Proportional to 139,822,707.44, 192,965,844.12 and 81,084,862.64

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Solution

The fourth proportional to 139,822,707.44, 192,965,844.12 and 81,084,862.64 is: 111,903,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,822,707.44 : 192,965,844.12 = 81,084,862.64 : x
  2. Step 2: Convert to fraction form
    139,822,707.44/192,965,844.12 = 81,084,862.64/x
  3. Step 3: Cross multiply
    139,822,707.44x = 192,965,844.12 × 81,084,862.64
  4. Step 4: Simplify right side
    139,822,707.44x = 15,646,608,964,681,852
  5. Step 5: Solve for x
    x = 15,646,608,964,681,852/139,822,707.44
  6. Step 6: Final answer
    x = 111,903,204.07

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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.