Home / 90,072,753.96-124,311,912.18-50,382,490.44

Finding the Fourth Proportional to 90,072,753.96, 124,311,912.18 and 50,382,490.44

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Solution

The fourth proportional to 90,072,753.96, 124,311,912.18 and 50,382,490.44 is: 69,534,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072,753.96 : 124,311,912.18 = 50,382,490.44 : x
  2. Step 2: Convert to fraction form
    90,072,753.96/124,311,912.18 = 50,382,490.44/x
  3. Step 3: Cross multiply
    90,072,753.96x = 124,311,912.18 × 50,382,490.44
  4. Step 4: Simplify right side
    90,072,753.96x = 6,263,143,726,986,970
  5. Step 5: Solve for x
    x = 6,263,143,726,986,970/90,072,753.96
  6. Step 6: Final answer
    x = 69,534,275.92

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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.