Home / 172,066,167.18-258,099,016.44-79,899,506.76

Finding the Fourth Proportional to 172,066,167.18, 258,099,016.44 and 79,899,506.76

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Solution

The fourth proportional to 172,066,167.18, 258,099,016.44 and 79,899,506.76 is: 119,849,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066,167.18 : 258,099,016.44 = 79,899,506.76 : x
  2. Step 2: Convert to fraction form
    172,066,167.18/258,099,016.44 = 79,899,506.76/x
  3. Step 3: Cross multiply
    172,066,167.18x = 258,099,016.44 × 79,899,506.76
  4. Step 4: Simplify right side
    172,066,167.18x = 20,621,984,108,797,132
  5. Step 5: Solve for x
    x = 20,621,984,108,797,132/172,066,167.18
  6. Step 6: Final answer
    x = 119,849,151.33

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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.