Home / 189,583,105.49-261,632,765.43-105,951,233.64

Finding the Fourth Proportional to 189,583,105.49, 261,632,765.43 and 105,951,233.64

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Solution

The fourth proportional to 189,583,105.49, 261,632,765.43 and 105,951,233.64 is: 146,217,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,583,105.49 : 261,632,765.43 = 105,951,233.64 : x
  2. Step 2: Convert to fraction form
    189,583,105.49/261,632,765.43 = 105,951,233.64/x
  3. Step 3: Cross multiply
    189,583,105.49x = 261,632,765.43 × 105,951,233.64
  4. Step 4: Simplify right side
    189,583,105.49x = 27,720,314,257,953,244
  5. Step 5: Solve for x
    x = 27,720,314,257,953,244/189,583,105.49
  6. Step 6: Final answer
    x = 146,217,217.97

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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.