Home / 54,978,175,101.15-82,467,262,651.73-21,853,723,291.65

Finding the Fourth Proportional to 54,978,175,101.15, 82,467,262,651.73 and 21,853,723,291.65

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Solution

The fourth proportional to 54,978,175,101.15, 82,467,262,651.73 and 21,853,723,291.65 is: 32,780,584,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,175,101.15 : 82,467,262,651.73 = 21,853,723,291.65 : x
  2. Step 2: Convert to fraction form
    54,978,175,101.15/82,467,262,651.73 = 21,853,723,291.65/x
  3. Step 3: Cross multiply
    54,978,175,101.15x = 82,467,262,651.73 × 21,853,723,291.65
  4. Step 4: Simplify right side
    54,978,175,101.15x = 1,802,216,738,610,620,923,904
  5. Step 5: Solve for x
    x = 1,802,216,738,610,620,923,904/54,978,175,101.15
  6. Step 6: Final answer
    x = 32,780,584,937.48

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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.