Home / 87,652,539.26-120,956,078.22-47,959,210.97

Finding the Fourth Proportional to 87,652,539.26, 120,956,078.22 and 47,959,210.97

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Solution

The fourth proportional to 87,652,539.26, 120,956,078.22 and 47,959,210.97 is: 66,181,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,539.26 : 120,956,078.22 = 47,959,210.97 : x
  2. Step 2: Convert to fraction form
    87,652,539.26/120,956,078.22 = 47,959,210.97/x
  3. Step 3: Cross multiply
    87,652,539.26x = 120,956,078.22 × 47,959,210.97
  4. Step 4: Simplify right side
    87,652,539.26x = 5,800,958,073,806,138
  5. Step 5: Solve for x
    x = 5,800,958,073,806,138/87,652,539.26
  6. Step 6: Final answer
    x = 66,181,289.47

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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.