Home / 167,327,403.20-250,991,104.80-76,628,139.20

Finding the Fourth Proportional to 167,327,403.20, 250,991,104.80 and 76,628,139.20

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Solution

The fourth proportional to 167,327,403.20, 250,991,104.80 and 76,628,139.20 is: 114,942,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,327,403.20 : 250,991,104.80 = 76,628,139.20 : x
  2. Step 2: Convert to fraction form
    167,327,403.20/250,991,104.80 = 76,628,139.20/x
  3. Step 3: Cross multiply
    167,327,403.20x = 250,991,104.80 × 76,628,139.20
  4. Step 4: Simplify right side
    167,327,403.20x = 19,232,981,316,576,188
  5. Step 5: Solve for x
    x = 19,232,981,316,576,188/167,327,403.20
  6. Step 6: Final answer
    x = 114,942,208.80

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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.