Home / 87,397,404.77-120,590,414.55-50,220,502.50

Finding the Fourth Proportional to 87,397,404.77, 120,590,414.55 and 50,220,502.50

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Solution

The fourth proportional to 87,397,404.77, 120,590,414.55 and 50,220,502.50 is: 69,293,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,397,404.77 : 120,590,414.55 = 50,220,502.50 : x
  2. Step 2: Convert to fraction form
    87,397,404.77/120,590,414.55 = 50,220,502.50/x
  3. Step 3: Cross multiply
    87,397,404.77x = 120,590,414.55 × 50,220,502.50
  4. Step 4: Simplify right side
    87,397,404.77x = 6,056,111,215,384,311
  5. Step 5: Solve for x
    x = 6,056,111,215,384,311/87,397,404.77
  6. Step 6: Final answer
    x = 69,293,947.93

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1.5x scale

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.