Home / 255,671,691.76-383,505,224.55-80,794,754.49

Finding the Fourth Proportional to 255,671,691.76, 383,505,224.55 and 80,794,754.49

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Solution

The fourth proportional to 255,671,691.76, 383,505,224.55 and 80,794,754.49 is: 121,191,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,671,691.76 : 383,505,224.55 = 80,794,754.49 : x
  2. Step 2: Convert to fraction form
    255,671,691.76/383,505,224.55 = 80,794,754.49/x
  3. Step 3: Cross multiply
    255,671,691.76x = 383,505,224.55 × 80,794,754.49
  4. Step 4: Simplify right side
    255,671,691.76x = 30,985,210,463,149,568
  5. Step 5: Solve for x
    x = 30,985,210,463,149,568/255,671,691.76
  6. Step 6: Final answer
    x = 121,191,400.78

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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.