Home / 220,939,994.97-331,034,948.96-133,317,388.58

Finding the Fourth Proportional to 220,939,994.97, 331,034,948.96 and 133,317,388.58

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Solution

The fourth proportional to 220,939,994.97, 331,034,948.96 and 133,317,388.58 is: 199,749,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,939,994.97 : 331,034,948.96 = 133,317,388.58 : x
  2. Step 2: Convert to fraction form
    220,939,994.97/331,034,948.96 = 133,317,388.58/x
  3. Step 3: Cross multiply
    220,939,994.97x = 331,034,948.96 × 133,317,388.58
  4. Step 4: Simplify right side
    220,939,994.97x = 44,132,714,921,739,024
  5. Step 5: Solve for x
    x = 44,132,714,921,739,024/220,939,994.97
  6. Step 6: Final answer
    x = 199,749,777.89

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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.