Home / 90,310,232.71-124,631,540.39-50,618,490.60

Finding the Fourth Proportional to 90,310,232.71, 124,631,540.39 and 50,618,490.60

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Solution

The fourth proportional to 90,310,232.71, 124,631,540.39 and 50,618,490.60 is: 69,855,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310,232.71 : 124,631,540.39 = 50,618,490.60 : x
  2. Step 2: Convert to fraction form
    90,310,232.71/124,631,540.39 = 50,618,490.60/x
  3. Step 3: Cross multiply
    90,310,232.71x = 124,631,540.39 × 50,618,490.60
  4. Step 4: Simplify right side
    90,310,232.71x = 6,308,660,456,288,649
  5. Step 5: Solve for x
    x = 6,308,660,456,288,649/90,310,232.71
  6. Step 6: Final answer
    x = 69,855,433.51

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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.