Home / 83,161,327.78-114,749,882.97-47,872,311.56

Finding the Fourth Proportional to 83,161,327.78, 114,749,882.97 and 47,872,311.56

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Solution

The fourth proportional to 83,161,327.78, 114,749,882.97 and 47,872,311.56 is: 66,056,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161,327.78 : 114,749,882.97 = 47,872,311.56 : x
  2. Step 2: Convert to fraction form
    83,161,327.78/114,749,882.97 = 47,872,311.56/x
  3. Step 3: Cross multiply
    83,161,327.78x = 114,749,882.97 × 47,872,311.56
  4. Step 4: Simplify right side
    83,161,327.78x = 5,493,342,148,439,629
  5. Step 5: Solve for x
    x = 5,493,342,148,439,629/83,161,327.78
  6. Step 6: Final answer
    x = 66,056,450.70

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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.