Home / 250,761,208.72-376,171,727.64-121,275,773.68

Finding the Fourth Proportional to 250,761,208.72, 376,171,727.64 and 121,275,773.68

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Solution

The fourth proportional to 250,761,208.72, 376,171,727.64 and 121,275,773.68 is: 181,928,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,761,208.72 : 376,171,727.64 = 121,275,773.68 : x
  2. Step 2: Convert to fraction form
    250,761,208.72/376,171,727.64 = 121,275,773.68/x
  3. Step 3: Cross multiply
    250,761,208.72x = 376,171,727.64 × 121,275,773.68
  4. Step 4: Simplify right side
    250,761,208.72x = 45,620,517,306,083,240
  5. Step 5: Solve for x
    x = 45,620,517,306,083,240/250,761,208.72
  6. Step 6: Final answer
    x = 181,928,128.11

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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.