Home / 87,231,764-120,380,656.08-48,074,950.64

Finding the Fourth Proportional to 87,231,764, 120,380,656.08 and 48,074,950.64

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Solution

The fourth proportional to 87,231,764, 120,380,656.08 and 48,074,950.64 is: 66,343,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,231,764 : 120,380,656.08 = 48,074,950.64 : x
  2. Step 2: Convert to fraction form
    87,231,764/120,380,656.08 = 48,074,950.64/x
  3. Step 3: Cross multiply
    87,231,764x = 120,380,656.08 × 48,074,950.64
  4. Step 4: Simplify right side
    87,231,764x = 5,787,294,099,056,816
  5. Step 5: Solve for x
    x = 5,787,294,099,056,816/87,231,764
  6. Step 6: Final answer
    x = 66,343,884.77

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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.