Home / 53,776,872.20-80,665,308.30-19,701,662.60

Finding the Fourth Proportional to 53,776,872.20, 80,665,308.30 and 19,701,662.60

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Solution

The fourth proportional to 53,776,872.20, 80,665,308.30 and 19,701,662.60 is: 29,552,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776,872.20 : 80,665,308.30 = 19,701,662.60 : x
  2. Step 2: Convert to fraction form
    53,776,872.20/80,665,308.30 = 19,701,662.60/x
  3. Step 3: Cross multiply
    53,776,872.20x = 80,665,308.30 × 19,701,662.60
  4. Step 4: Simplify right side
    53,776,872.20x = 1,589,240,687,651,579.75
  5. Step 5: Solve for x
    x = 1,589,240,687,651,579.75/53,776,872.20
  6. Step 6: Final answer
    x = 29,552,493.90

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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.