Home / 57,850,383.96-86,780,619.30-18,977,180.76

Finding the Fourth Proportional to 57,850,383.96, 86,780,619.30 and 18,977,180.76

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Solution

The fourth proportional to 57,850,383.96, 86,780,619.30 and 18,977,180.76 is: 28,467,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850,383.96 : 86,780,619.30 = 18,977,180.76 : x
  2. Step 2: Convert to fraction form
    57,850,383.96/86,780,619.30 = 18,977,180.76/x
  3. Step 3: Cross multiply
    57,850,383.96x = 86,780,619.30 × 18,977,180.76
  4. Step 4: Simplify right side
    57,850,383.96x = 1,646,851,498,920,844.75
  5. Step 5: Solve for x
    x = 1,646,851,498,920,844.75/57,850,383.96
  6. Step 6: Final answer
    x = 28,467,425.56

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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.