Home / 189,839,832.94-261,989,141.51-106,202,974.24

Finding the Fourth Proportional to 189,839,832.94, 261,989,141.51 and 106,202,974.24

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Solution

The fourth proportional to 189,839,832.94, 261,989,141.51 and 106,202,974.24 is: 146,565,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,839,832.94 : 261,989,141.51 = 106,202,974.24 : x
  2. Step 2: Convert to fraction form
    189,839,832.94/261,989,141.51 = 106,202,974.24/x
  3. Step 3: Cross multiply
    189,839,832.94x = 261,989,141.51 × 106,202,974.24
  4. Step 4: Simplify right side
    189,839,832.94x = 27,824,026,046,946,244
  5. Step 5: Solve for x
    x = 27,824,026,046,946,244/189,839,832.94
  6. Step 6: Final answer
    x = 146,565,795.05

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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.