Home / 149,787,849.16-206,689,329.78-82,797,757.98

Finding the Fourth Proportional to 149,787,849.16, 206,689,329.78 and 82,797,757.98

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Solution

The fourth proportional to 149,787,849.16, 206,689,329.78 and 82,797,757.98 is: 114,251,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,787,849.16 : 206,689,329.78 = 82,797,757.98 : x
  2. Step 2: Convert to fraction form
    149,787,849.16/206,689,329.78 = 82,797,757.98/x
  3. Step 3: Cross multiply
    149,787,849.16x = 206,689,329.78 × 82,797,757.98
  4. Step 4: Simplify right side
    149,787,849.16x = 17,113,413,104,172,848
  5. Step 5: Solve for x
    x = 17,113,413,104,172,848/149,787,849.16
  6. Step 6: Final answer
    x = 114,251,010.35

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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.