Home / 315,103,682.20-472,336,658.70-185,644,654.60

Finding the Fourth Proportional to 315,103,682.20, 472,336,658.70 and 185,644,654.60

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Solution

The fourth proportional to 315,103,682.20, 472,336,658.70 and 185,644,654.60 is: 278,279,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,103,682.20 : 472,336,658.70 = 185,644,654.60 : x
  2. Step 2: Convert to fraction form
    315,103,682.20/472,336,658.70 = 185,644,654.60/x
  3. Step 3: Cross multiply
    315,103,682.20x = 472,336,658.70 × 185,644,654.60
  4. Step 4: Simplify right side
    315,103,682.20x = 87,686,775,859,279,584
  5. Step 5: Solve for x
    x = 87,686,775,859,279,584/315,103,682.20
  6. Step 6: Final answer
    x = 278,279,121.48

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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.