Home / 311,519,222.87-430,028,895.92-194,102,566.11

Finding the Fourth Proportional to 311,519,222.87, 430,028,895.92 and 194,102,566.11

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Solution

The fourth proportional to 311,519,222.87, 430,028,895.92 and 194,102,566.11 is: 267,944,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,519,222.87 : 430,028,895.92 = 194,102,566.11 : x
  2. Step 2: Convert to fraction form
    311,519,222.87/430,028,895.92 = 194,102,566.11/x
  3. Step 3: Cross multiply
    311,519,222.87x = 430,028,895.92 × 194,102,566.11
  4. Step 4: Simplify right side
    311,519,222.87x = 83,469,712,198,551,600
  5. Step 5: Solve for x
    x = 83,469,712,198,551,600/311,519,222.87
  6. Step 6: Final answer
    x = 267,944,017.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.