Home / 54,310,504.10-81,465,756.15-20,227,421.30

Finding the Fourth Proportional to 54,310,504.10, 81,465,756.15 and 20,227,421.30

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Solution

The fourth proportional to 54,310,504.10, 81,465,756.15 and 20,227,421.30 is: 30,341,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,504.10 : 81,465,756.15 = 20,227,421.30 : x
  2. Step 2: Convert to fraction form
    54,310,504.10/81,465,756.15 = 20,227,421.30/x
  3. Step 3: Cross multiply
    54,310,504.10x = 81,465,756.15 × 20,227,421.30
  4. Step 4: Simplify right side
    54,310,504.10x = 1,647,842,171,169,116.25
  5. Step 5: Solve for x
    x = 1,647,842,171,169,116.25/54,310,504.10
  6. Step 6: Final answer
    x = 30,341,131.95

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Double scale
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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.