Home / 131,413,720.37-196,981,575.21-49,497,155.91

Finding the Fourth Proportional to 131,413,720.37, 196,981,575.21 and 49,497,155.91

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Solution

The fourth proportional to 131,413,720.37, 196,981,575.21 and 49,497,155.91 is: 74,193,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,413,720.37 : 196,981,575.21 = 49,497,155.91 : x
  2. Step 2: Convert to fraction form
    131,413,720.37/196,981,575.21 = 49,497,155.91/x
  3. Step 3: Cross multiply
    131,413,720.37x = 196,981,575.21 × 49,497,155.91
  4. Step 4: Simplify right side
    131,413,720.37x = 9,750,027,739,566,760
  5. Step 5: Solve for x
    x = 9,750,027,739,566,760/131,413,720.37
  6. Step 6: Final answer
    x = 74,193,377.32

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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.