Home / 199,115,301.70-298,672,952.55-178,707,967.30

Finding the Fourth Proportional to 199,115,301.70, 298,672,952.55 and 178,707,967.30

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Solution

The fourth proportional to 199,115,301.70, 298,672,952.55 and 178,707,967.30 is: 268,061,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115,301.70 : 298,672,952.55 = 178,707,967.30 : x
  2. Step 2: Convert to fraction form
    199,115,301.70/298,672,952.55 = 178,707,967.30/x
  3. Step 3: Cross multiply
    199,115,301.70x = 298,672,952.55 × 178,707,967.30
  4. Step 4: Simplify right side
    199,115,301.70x = 53,375,236,237,699,856
  5. Step 5: Solve for x
    x = 53,375,236,237,699,856/199,115,301.70
  6. Step 6: Final answer
    x = 268,061,950.95

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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.