Home / 139,703,476.06-192,782,110.29-76,976,063.73

Finding the Fourth Proportional to 139,703,476.06, 192,782,110.29 and 76,976,063.73

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Solution

The fourth proportional to 139,703,476.06, 192,782,110.29 and 76,976,063.73 is: 106,222,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,703,476.06 : 192,782,110.29 = 76,976,063.73 : x
  2. Step 2: Convert to fraction form
    139,703,476.06/192,782,110.29 = 76,976,063.73/x
  3. Step 3: Cross multiply
    139,703,476.06x = 192,782,110.29 × 76,976,063.73
  4. Step 4: Simplify right side
    139,703,476.06x = 14,839,608,007,686,928
  5. Step 5: Solve for x
    x = 14,839,608,007,686,928/139,703,476.06
  6. Step 6: Final answer
    x = 106,222,181.62

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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.