Home / 81,807,634.80-122,711,452.20-51,196,633.20

Finding the Fourth Proportional to 81,807,634.80, 122,711,452.20 and 51,196,633.20

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Solution

The fourth proportional to 81,807,634.80, 122,711,452.20 and 51,196,633.20 is: 76,794,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,807,634.80 : 122,711,452.20 = 51,196,633.20 : x
  2. Step 2: Convert to fraction form
    81,807,634.80/122,711,452.20 = 51,196,633.20/x
  3. Step 3: Cross multiply
    81,807,634.80x = 122,711,452.20 × 51,196,633.20
  4. Step 4: Simplify right side
    81,807,634.80x = 6,282,413,207,722,734
  5. Step 5: Solve for x
    x = 6,282,413,207,722,734/81,807,634.80
  6. Step 6: Final answer
    x = 76,794,949.80

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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.