Home / 219,948,010.20-329,922,015.30-216,546,787.80

Finding the Fourth Proportional to 219,948,010.20, 329,922,015.30 and 216,546,787.80

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Solution

The fourth proportional to 219,948,010.20, 329,922,015.30 and 216,546,787.80 is: 324,820,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948,010.20 : 329,922,015.30 = 216,546,787.80 : x
  2. Step 2: Convert to fraction form
    219,948,010.20/329,922,015.30 = 216,546,787.80/x
  3. Step 3: Cross multiply
    219,948,010.20x = 329,922,015.30 × 216,546,787.80
  4. Step 4: Simplify right side
    219,948,010.20x = 71,443,552,637,717,456
  5. Step 5: Solve for x
    x = 71,443,552,637,717,456/219,948,010.20
  6. Step 6: Final answer
    x = 324,820,181.70

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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.