Home / 54,297,343.20-81,446,014.80-28,788,175.20

Finding the Fourth Proportional to 54,297,343.20, 81,446,014.80 and 28,788,175.20

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Solution

The fourth proportional to 54,297,343.20, 81,446,014.80 and 28,788,175.20 is: 43,182,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,297,343.20 : 81,446,014.80 = 28,788,175.20 : x
  2. Step 2: Convert to fraction form
    54,297,343.20/81,446,014.80 = 28,788,175.20/x
  3. Step 3: Cross multiply
    54,297,343.20x = 81,446,014.80 × 28,788,175.20
  4. Step 4: Simplify right side
    54,297,343.20x = 2,344,682,143,404,193
  5. Step 5: Solve for x
    x = 2,344,682,143,404,193/54,297,343.20
  6. Step 6: Final answer
    x = 43,182,262.80

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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.