Home / 87,952,020.68-121,384,552.79-50,782,238.55

Finding the Fourth Proportional to 87,952,020.68, 121,384,552.79 and 50,782,238.55

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Solution

The fourth proportional to 87,952,020.68, 121,384,552.79 and 50,782,238.55 is: 70,085,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952,020.68 : 121,384,552.79 = 50,782,238.55 : x
  2. Step 2: Convert to fraction form
    87,952,020.68/121,384,552.79 = 50,782,238.55/x
  3. Step 3: Cross multiply
    87,952,020.68x = 121,384,552.79 × 50,782,238.55
  4. Step 4: Simplify right side
    87,952,020.68x = 6,164,179,316,193,804
  5. Step 5: Solve for x
    x = 6,164,179,316,193,804/87,952,020.68
  6. Step 6: Final answer
    x = 70,085,704.32

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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.