Home / 54,978,175,098.90-82,467,262,648.38-21,853,723,289.40

Finding the Fourth Proportional to 54,978,175,098.90, 82,467,262,648.38 and 21,853,723,289.40

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Solution

The fourth proportional to 54,978,175,098.90, 82,467,262,648.38 and 21,853,723,289.40 is: 32,780,584,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,175,098.90 : 82,467,262,648.38 = 21,853,723,289.40 : x
  2. Step 2: Convert to fraction form
    54,978,175,098.90/82,467,262,648.38 = 21,853,723,289.40/x
  3. Step 3: Cross multiply
    54,978,175,098.90x = 82,467,262,648.38 × 21,853,723,289.40
  4. Step 4: Simplify right side
    54,978,175,098.90x = 1,802,216,738,351,968,944,128
  5. Step 5: Solve for x
    x = 1,802,216,738,351,968,944,128/54,978,175,098.90
  6. Step 6: Final answer
    x = 32,780,584,934.11

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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.