Home / 57,886,637.22-79,885,805.85-31,782,255.30

Finding the Fourth Proportional to 57,886,637.22, 79,885,805.85 and 31,782,255.30

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Solution

The fourth proportional to 57,886,637.22, 79,885,805.85 and 31,782,255.30 is: 43,860,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886,637.22 : 79,885,805.85 = 31,782,255.30 : x
  2. Step 2: Convert to fraction form
    57,886,637.22/79,885,805.85 = 31,782,255.30/x
  3. Step 3: Cross multiply
    57,886,637.22x = 79,885,805.85 × 31,782,255.30
  4. Step 4: Simplify right side
    57,886,637.22x = 2,538,951,076,370,933.50
  5. Step 5: Solve for x
    x = 2,538,951,076,370,933.50/57,886,637.22
  6. Step 6: Final answer
    x = 43,860,745.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.