Home / 151,920,065.46-209,650,696.89-82,305,446.34

Finding the Fourth Proportional to 151,920,065.46, 209,650,696.89 and 82,305,446.34

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Solution

The fourth proportional to 151,920,065.46, 209,650,696.89 and 82,305,446.34 is: 113,582,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,920,065.46 : 209,650,696.89 = 82,305,446.34 : x
  2. Step 2: Convert to fraction form
    151,920,065.46/209,650,696.89 = 82,305,446.34/x
  3. Step 3: Cross multiply
    151,920,065.46x = 209,650,696.89 × 82,305,446.34
  4. Step 4: Simplify right side
    151,920,065.46x = 17,255,394,183,023,500
  5. Step 5: Solve for x
    x = 17,255,394,183,023,500/151,920,065.46
  6. Step 6: Final answer
    x = 113,582,061.27

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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.