Home / 209,162,731.24-313,380,502.53-146,781,743.79

Finding the Fourth Proportional to 209,162,731.24, 313,380,502.53 and 146,781,743.79

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Solution

The fourth proportional to 209,162,731.24, 313,380,502.53 and 146,781,743.79 is: 219,917,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162,731.24 : 313,380,502.53 = 146,781,743.79 : x
  2. Step 2: Convert to fraction form
    209,162,731.24/313,380,502.53 = 146,781,743.79/x
  3. Step 3: Cross multiply
    209,162,731.24x = 313,380,502.53 × 146,781,743.79
  4. Step 4: Simplify right side
    209,162,731.24x = 45,998,536,631,764,648
  5. Step 5: Solve for x
    x = 45,998,536,631,764,648/209,162,731.24
  6. Step 6: Final answer
    x = 219,917,460.24

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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.