Home / 54,402,515.10-81,575,779.05-20,306,310.30

Finding the Fourth Proportional to 54,402,515.10, 81,575,779.05 and 20,306,310.30

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Solution

The fourth proportional to 54,402,515.10, 81,575,779.05 and 20,306,310.30 is: 30,449,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402,515.10 : 81,575,779.05 = 20,306,310.30 : x
  2. Step 2: Convert to fraction form
    54,402,515.10/81,575,779.05 = 20,306,310.30/x
  3. Step 3: Cross multiply
    54,402,515.10x = 81,575,779.05 × 20,306,310.30
  4. Step 4: Simplify right side
    54,402,515.10x = 1,656,503,082,353,539.25
  5. Step 5: Solve for x
    x = 1,656,503,082,353,539.25/54,402,515.10
  6. Step 6: Final answer
    x = 30,449,016.54

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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.