Home / 75,629,344.20-113,444,016.30-49,801,311.60

Finding the Fourth Proportional to 75,629,344.20, 113,444,016.30 and 49,801,311.60

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Solution

The fourth proportional to 75,629,344.20, 113,444,016.30 and 49,801,311.60 is: 74,701,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629,344.20 : 113,444,016.30 = 49,801,311.60 : x
  2. Step 2: Convert to fraction form
    75,629,344.20/113,444,016.30 = 49,801,311.60/x
  3. Step 3: Cross multiply
    75,629,344.20x = 113,444,016.30 × 49,801,311.60
  4. Step 4: Simplify right side
    75,629,344.20x = 5,649,660,804,911,779
  5. Step 5: Solve for x
    x = 5,649,660,804,911,779/75,629,344.20
  6. Step 6: Final answer
    x = 74,701,967.40

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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.