Home / 189,839,830.94-261,989,138.75-106,202,972.24

Finding the Fourth Proportional to 189,839,830.94, 261,989,138.75 and 106,202,972.24

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Solution

The fourth proportional to 189,839,830.94, 261,989,138.75 and 106,202,972.24 is: 146,565,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,839,830.94 : 261,989,138.75 = 106,202,972.24 : x
  2. Step 2: Convert to fraction form
    189,839,830.94/261,989,138.75 = 106,202,972.24/x
  3. Step 3: Cross multiply
    189,839,830.94x = 261,989,138.75 × 106,202,972.24
  4. Step 4: Simplify right side
    189,839,830.94x = 27,824,025,229,847,756
  5. Step 5: Solve for x
    x = 27,824,025,229,847,756/189,839,830.94
  6. Step 6: Final answer
    x = 146,565,792.29

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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.