Home / 53,735,999.20-80,603,998.80-19,660,789.60

Finding the Fourth Proportional to 53,735,999.20, 80,603,998.80 and 19,660,789.60

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Solution

The fourth proportional to 53,735,999.20, 80,603,998.80 and 19,660,789.60 is: 29,491,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735,999.20 : 80,603,998.80 = 19,660,789.60 : x
  2. Step 2: Convert to fraction form
    53,735,999.20/80,603,998.80 = 19,660,789.60/x
  3. Step 3: Cross multiply
    53,735,999.20x = 80,603,998.80 × 19,660,789.60
  4. Step 4: Simplify right side
    53,735,999.20x = 1,584,738,261,325,452.50
  5. Step 5: Solve for x
    x = 1,584,738,261,325,452.50/53,735,999.20
  6. Step 6: Final answer
    x = 29,491,184.40

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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.