Home / 189,839,833.04-261,989,141.52-106,202,974.32

Finding the Fourth Proportional to 189,839,833.04, 261,989,141.52 and 106,202,974.32

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Solution

The fourth proportional to 189,839,833.04, 261,989,141.52 and 106,202,974.32 is: 146,565,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,839,833.04 : 261,989,141.52 = 106,202,974.32 : x
  2. Step 2: Convert to fraction form
    189,839,833.04/261,989,141.52 = 106,202,974.32/x
  3. Step 3: Cross multiply
    189,839,833.04x = 261,989,141.52 × 106,202,974.32
  4. Step 4: Simplify right side
    189,839,833.04x = 27,824,026,068,967,404
  5. Step 5: Solve for x
    x = 27,824,026,068,967,404/189,839,833.04
  6. Step 6: Final answer
    x = 146,565,795.09

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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.