Home / 87,268,571.43-120,429,660.09-50,099,740.98

Finding the Fourth Proportional to 87,268,571.43, 120,429,660.09 and 50,099,740.98

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Solution

The fourth proportional to 87,268,571.43, 120,429,660.09 and 50,099,740.98 is: 69,137,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268,571.43 : 120,429,660.09 = 50,099,740.98 : x
  2. Step 2: Convert to fraction form
    87,268,571.43/120,429,660.09 = 50,099,740.98/x
  3. Step 3: Cross multiply
    87,268,571.43x = 120,429,660.09 × 50,099,740.98
  4. Step 4: Simplify right side
    87,268,571.43x = 6,033,494,776,818,443
  5. Step 5: Solve for x
    x = 6,033,494,776,818,443/87,268,571.43
  6. Step 6: Final answer
    x = 69,137,086.56

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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.