Home / 140,553,155.91-193,952,764.94-85,542,932.55

Finding the Fourth Proportional to 140,553,155.91, 193,952,764.94 and 85,542,932.55

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Solution

The fourth proportional to 140,553,155.91, 193,952,764.94 and 85,542,932.55 is: 118,042,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553,155.91 : 193,952,764.94 = 85,542,932.55 : x
  2. Step 2: Convert to fraction form
    140,553,155.91/193,952,764.94 = 85,542,932.55/x
  3. Step 3: Cross multiply
    140,553,155.91x = 193,952,764.94 × 85,542,932.55
  4. Step 4: Simplify right side
    140,553,155.91x = 16,591,288,288,720,710
  5. Step 5: Solve for x
    x = 16,591,288,288,720,710/140,553,155.91
  6. Step 6: Final answer
    x = 118,042,801.54

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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.