Home / 238,022,358.27-356,870,543.01-121,211,601.87

Finding the Fourth Proportional to 238,022,358.27, 356,870,543.01 and 121,211,601.87

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Solution

The fourth proportional to 238,022,358.27, 356,870,543.01 and 121,211,601.87 is: 181,734,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,022,358.27 : 356,870,543.01 = 121,211,601.87 : x
  2. Step 2: Convert to fraction form
    238,022,358.27/356,870,543.01 = 121,211,601.87/x
  3. Step 3: Cross multiply
    238,022,358.27x = 356,870,543.01 × 121,211,601.87
  4. Step 4: Simplify right side
    238,022,358.27x = 43,256,850,178,458,832
  5. Step 5: Solve for x
    x = 43,256,850,178,458,832/238,022,358.27
  6. Step 6: Final answer
    x = 181,734,398.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.