Home / 75,726,698.10-113,590,046.49-18,218,968.59

Finding the Fourth Proportional to 75,726,698.10, 113,590,046.49 and 18,218,968.59

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Solution

The fourth proportional to 75,726,698.10, 113,590,046.49 and 18,218,968.59 is: 27,328,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,726,698.10 : 113,590,046.49 = 18,218,968.59 : x
  2. Step 2: Convert to fraction form
    75,726,698.10/113,590,046.49 = 18,218,968.59/x
  3. Step 3: Cross multiply
    75,726,698.10x = 113,590,046.49 × 18,218,968.59
  4. Step 4: Simplify right side
    75,726,698.10x = 2,069,493,489,137,949.75
  5. Step 5: Solve for x
    x = 2,069,493,489,137,949.75/75,726,698.10
  6. Step 6: Final answer
    x = 27,328,452.73

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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.