Home / 209,013,689.52-313,524,840.24-76,061,993.76

Finding the Fourth Proportional to 209,013,689.52, 313,524,840.24 and 76,061,993.76

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Solution

The fourth proportional to 209,013,689.52, 313,524,840.24 and 76,061,993.76 is: 114,094,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,013,689.52 : 313,524,840.24 = 76,061,993.76 : x
  2. Step 2: Convert to fraction form
    209,013,689.52/313,524,840.24 = 76,061,993.76/x
  3. Step 3: Cross multiply
    209,013,689.52x = 313,524,840.24 × 76,061,993.76
  4. Step 4: Simplify right side
    209,013,689.52x = 23,847,324,441,939,880
  5. Step 5: Solve for x
    x = 23,847,324,441,939,880/209,013,689.52
  6. Step 6: Final answer
    x = 114,094,557.62

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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.