Home / 53,811,917.20-80,930,452.20-48,284,930.80

Finding the Fourth Proportional to 53,811,917.20, 80,930,452.20 and 48,284,930.80

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Solution

The fourth proportional to 53,811,917.20, 80,930,452.20 and 48,284,930.80 is: 72,618,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811,917.20 : 80,930,452.20 = 48,284,930.80 : x
  2. Step 2: Convert to fraction form
    53,811,917.20/80,930,452.20 = 48,284,930.80/x
  3. Step 3: Cross multiply
    53,811,917.20x = 80,930,452.20 × 48,284,930.80
  4. Step 4: Simplify right side
    53,811,917.20x = 3,907,721,284,089,707.50
  5. Step 5: Solve for x
    x = 3,907,721,284,089,707.50/53,811,917.20
  6. Step 6: Final answer
    x = 72,618,139.02

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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.