Home / 53,805,830.20-80,921,321.70-48,278,843.80

Finding the Fourth Proportional to 53,805,830.20, 80,921,321.70 and 48,278,843.80

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Solution

The fourth proportional to 53,805,830.20, 80,921,321.70 and 48,278,843.80 is: 72,609,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805,830.20 : 80,921,321.70 = 48,278,843.80 : x
  2. Step 2: Convert to fraction form
    53,805,830.20/80,921,321.70 = 48,278,843.80/x
  3. Step 3: Cross multiply
    53,805,830.20x = 80,921,321.70 × 48,278,843.80
  4. Step 4: Simplify right side
    53,805,830.20x = 3,906,787,850,443,850.50
  5. Step 5: Solve for x
    x = 3,906,787,850,443,850.50/53,805,830.20
  6. Step 6: Final answer
    x = 72,609,006.05

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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.