Home / 384,336,123.08-576,384,951.36-138,660,820.52

Finding the Fourth Proportional to 384,336,123.08, 576,384,951.36 and 138,660,820.52

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Solution

The fourth proportional to 384,336,123.08, 576,384,951.36 and 138,660,820.52 is: 207,948,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,336,123.08 : 576,384,951.36 = 138,660,820.52 : x
  2. Step 2: Convert to fraction form
    384,336,123.08/576,384,951.36 = 138,660,820.52/x
  3. Step 3: Cross multiply
    384,336,123.08x = 576,384,951.36 × 138,660,820.52
  4. Step 4: Simplify right side
    384,336,123.08x = 79,922,010,290,957,904
  5. Step 5: Solve for x
    x = 79,922,010,290,957,904/384,336,123.08
  6. Step 6: Final answer
    x = 207,948,213.79

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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.