Home / 139,703,474.34-192,782,107.94-76,976,062.01

Finding the Fourth Proportional to 139,703,474.34, 192,782,107.94 and 76,976,062.01

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Solution

The fourth proportional to 139,703,474.34, 192,782,107.94 and 76,976,062.01 is: 106,222,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,703,474.34 : 192,782,107.94 = 76,976,062.01 : x
  2. Step 2: Convert to fraction form
    139,703,474.34/192,782,107.94 = 76,976,062.01/x
  3. Step 3: Cross multiply
    139,703,474.34x = 192,782,107.94 × 76,976,062.01
  4. Step 4: Simplify right side
    139,703,474.34x = 14,839,607,494,341,116
  5. Step 5: Solve for x
    x = 14,839,607,494,341,116/139,703,474.34
  6. Step 6: Final answer
    x = 106,222,179.26

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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.