Home / 199,329,890.42-298,986,317.34-68,183,892.86

Finding the Fourth Proportional to 199,329,890.42, 298,986,317.34 and 68,183,892.86

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Solution

The fourth proportional to 199,329,890.42, 298,986,317.34 and 68,183,892.86 is: 102,272,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,329,890.42 : 298,986,317.34 = 68,183,892.86 : x
  2. Step 2: Convert to fraction form
    199,329,890.42/298,986,317.34 = 68,183,892.86/x
  3. Step 3: Cross multiply
    199,329,890.42x = 298,986,317.34 × 68,183,892.86
  4. Step 4: Simplify right side
    199,329,890.42x = 20,386,051,028,116,520
  5. Step 5: Solve for x
    x = 20,386,051,028,116,520/199,329,890.42
  6. Step 6: Final answer
    x = 102,272,925.48

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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.