Home / 57,137,161,863.87-85,739,163,223.53-21,306,672,523.73

Finding the Fourth Proportional to 57,137,161,863.87, 85,739,163,223.53 and 21,306,672,523.73

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Solution

The fourth proportional to 57,137,161,863.87, 85,739,163,223.53 and 21,306,672,523.73 is: 31,972,471,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137,161,863.87 : 85,739,163,223.53 = 21,306,672,523.73 : x
  2. Step 2: Convert to fraction form
    57,137,161,863.87/85,739,163,223.53 = 21,306,672,523.73/x
  3. Step 3: Cross multiply
    57,137,161,863.87x = 85,739,163,223.53 × 21,306,672,523.73
  4. Step 4: Simplify right side
    57,137,161,863.87x = 1,826,816,273,261,959,577,600
  5. Step 5: Solve for x
    x = 1,826,816,273,261,959,577,600/57,137,161,863.87
  6. Step 6: Final answer
    x = 31,972,471,394.61

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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.