Home / 54,325,319.10-81,459,985.05-20,229,114.30

Finding the Fourth Proportional to 54,325,319.10, 81,459,985.05 and 20,229,114.30

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Solution

The fourth proportional to 54,325,319.10, 81,459,985.05 and 20,229,114.30 is: 30,333,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325,319.10 : 81,459,985.05 = 20,229,114.30 : x
  2. Step 2: Convert to fraction form
    54,325,319.10/81,459,985.05 = 20,229,114.30/x
  3. Step 3: Cross multiply
    54,325,319.10x = 81,459,985.05 × 20,229,114.30
  4. Step 4: Simplify right side
    54,325,319.10x = 1,647,863,348,452,741.25
  5. Step 5: Solve for x
    x = 1,647,863,348,452,741.25/54,325,319.10
  6. Step 6: Final answer
    x = 30,333,247.48

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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.