Home / 199,329,889.42-298,986,315.85-68,183,891.86

Finding the Fourth Proportional to 199,329,889.42, 298,986,315.85 and 68,183,891.86

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Solution

The fourth proportional to 199,329,889.42, 298,986,315.85 and 68,183,891.86 is: 102,272,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,329,889.42 : 298,986,315.85 = 68,183,891.86 : x
  2. Step 2: Convert to fraction form
    199,329,889.42/298,986,315.85 = 68,183,891.86/x
  3. Step 3: Cross multiply
    199,329,889.42x = 298,986,315.85 × 68,183,891.86
  4. Step 4: Simplify right side
    199,329,889.42x = 20,386,050,627,569,020
  5. Step 5: Solve for x
    x = 20,386,050,627,569,020/199,329,889.42
  6. Step 6: Final answer
    x = 102,272,923.98

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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.