Home / 279,409,945.59-385,606,104.26-161,965,596.15

Finding the Fourth Proportional to 279,409,945.59, 385,606,104.26 and 161,965,596.15

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Solution

The fourth proportional to 279,409,945.59, 385,606,104.26 and 161,965,596.15 is: 223,524,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,409,945.59 : 385,606,104.26 = 161,965,596.15 : x
  2. Step 2: Convert to fraction form
    279,409,945.59/385,606,104.26 = 161,965,596.15/x
  3. Step 3: Cross multiply
    279,409,945.59x = 385,606,104.26 × 161,965,596.15
  4. Step 4: Simplify right side
    279,409,945.59x = 62,454,922,554,740,128
  5. Step 5: Solve for x
    x = 62,454,922,554,740,128/279,409,945.59
  6. Step 6: Final answer
    x = 223,524,335.98

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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.