Home / 87,598,380.42-120,886,548.12-48,442,791.60

Finding the Fourth Proportional to 87,598,380.42, 120,886,548.12 and 48,442,791.60

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Solution

The fourth proportional to 87,598,380.42, 120,886,548.12 and 48,442,791.60 is: 66,851,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,598,380.42 : 120,886,548.12 = 48,442,791.60 : x
  2. Step 2: Convert to fraction form
    87,598,380.42/120,886,548.12 = 48,442,791.60/x
  3. Step 3: Cross multiply
    87,598,380.42x = 120,886,548.12 × 48,442,791.60
  4. Step 4: Simplify right side
    87,598,380.42x = 5,856,081,857,820,532
  5. Step 5: Solve for x
    x = 5,856,081,857,820,532/87,598,380.42
  6. Step 6: Final answer
    x = 66,851,485.49

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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.