Home / 209,162,747.70-313,380,527.20-146,781,760.25

Finding the Fourth Proportional to 209,162,747.70, 313,380,527.20 and 146,781,760.25

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Solution

The fourth proportional to 209,162,747.70, 313,380,527.20 and 146,781,760.25 is: 219,917,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162,747.70 : 313,380,527.20 = 146,781,760.25 : x
  2. Step 2: Convert to fraction form
    209,162,747.70/313,380,527.20 = 146,781,760.25/x
  3. Step 3: Cross multiply
    209,162,747.70x = 313,380,527.20 × 146,781,760.25
  4. Step 4: Simplify right side
    209,162,747.70x = 45,998,545,410,905,496
  5. Step 5: Solve for x
    x = 45,998,545,410,905,496/209,162,747.70
  6. Step 6: Final answer
    x = 219,917,484.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.