Home / 54,307,212.58-81,483,377.91-21,981,965.86

Finding the Fourth Proportional to 54,307,212.58, 81,483,377.91 and 21,981,965.86

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Solution

The fourth proportional to 54,307,212.58, 81,483,377.91 and 21,981,965.86 is: 32,982,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307,212.58 : 81,483,377.91 = 21,981,965.86 : x
  2. Step 2: Convert to fraction form
    54,307,212.58/81,483,377.91 = 21,981,965.86/x
  3. Step 3: Cross multiply
    54,307,212.58x = 81,483,377.91 × 21,981,965.86
  4. Step 4: Simplify right side
    54,307,212.58x = 1,791,164,831,375,098
  5. Step 5: Solve for x
    x = 1,791,164,831,375,098/54,307,212.58
  6. Step 6: Final answer
    x = 32,982,080.03

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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.