Home / 90,385,936.96-124,733,959.67-50,702,264.43

Finding the Fourth Proportional to 90,385,936.96, 124,733,959.67 and 50,702,264.43

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Solution

The fourth proportional to 90,385,936.96, 124,733,959.67 and 50,702,264.43 is: 69,969,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385,936.96 : 124,733,959.67 = 50,702,264.43 : x
  2. Step 2: Convert to fraction form
    90,385,936.96/124,733,959.67 = 50,702,264.43/x
  3. Step 3: Cross multiply
    90,385,936.96x = 124,733,959.67 × 50,702,264.43
  4. Step 4: Simplify right side
    90,385,936.96x = 6,324,294,206,589,296
  5. Step 5: Solve for x
    x = 6,324,294,206,589,296/90,385,936.96
  6. Step 6: Final answer
    x = 69,969,891.55

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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.