Home / 209,162,748.70-313,380,528.70-146,781,761.25

Finding the Fourth Proportional to 209,162,748.70, 313,380,528.70 and 146,781,761.25

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Solution

The fourth proportional to 209,162,748.70, 313,380,528.70 and 146,781,761.25 is: 219,917,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162,748.70 : 313,380,528.70 = 146,781,761.25 : x
  2. Step 2: Convert to fraction form
    209,162,748.70/313,380,528.70 = 146,781,761.25/x
  3. Step 3: Cross multiply
    209,162,748.70x = 313,380,528.70 × 146,781,761.25
  4. Step 4: Simplify right side
    209,162,748.70x = 45,998,545,944,042,168
  5. Step 5: Solve for x
    x = 45,998,545,944,042,168/209,162,748.70
  6. Step 6: Final answer
    x = 219,917,486.41

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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.