Home / 54,442,820.40-81,664,230.60-40,837,930.80

Finding the Fourth Proportional to 54,442,820.40, 81,664,230.60 and 40,837,930.80

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Solution

The fourth proportional to 54,442,820.40, 81,664,230.60 and 40,837,930.80 is: 61,256,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442,820.40 : 81,664,230.60 = 40,837,930.80 : x
  2. Step 2: Convert to fraction form
    54,442,820.40/81,664,230.60 = 40,837,930.80/x
  3. Step 3: Cross multiply
    54,442,820.40x = 81,664,230.60 × 40,837,930.80
  4. Step 4: Simplify right side
    54,442,820.40x = 3,334,998,198,078,042
  5. Step 5: Solve for x
    x = 3,334,998,198,078,042/54,442,820.40
  6. Step 6: Final answer
    x = 61,256,896.20

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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.