Home / 279,200,317.66-385,284,009.87-160,037,481.83

Finding the Fourth Proportional to 279,200,317.66, 385,284,009.87 and 160,037,481.83

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Solution

The fourth proportional to 279,200,317.66, 385,284,009.87 and 160,037,481.83 is: 220,844,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,200,317.66 : 385,284,009.87 = 160,037,481.83 : x
  2. Step 2: Convert to fraction form
    279,200,317.66/385,284,009.87 = 160,037,481.83/x
  3. Step 3: Cross multiply
    279,200,317.66x = 385,284,009.87 × 160,037,481.83
  4. Step 4: Simplify right side
    279,200,317.66x = 61,659,882,726,233,056
  5. Step 5: Solve for x
    x = 61,659,882,726,233,056/279,200,317.66
  6. Step 6: Final answer
    x = 220,844,600.91

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1.5x scale

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.