Home / 275,474,778.66-380,172,373.86-151,715,422.98

Finding the Fourth Proportional to 275,474,778.66, 380,172,373.86 and 151,715,422.98

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Solution

The fourth proportional to 275,474,778.66, 380,172,373.86 and 151,715,422.98 is: 209,376,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,474,778.66 : 380,172,373.86 = 151,715,422.98 : x
  2. Step 2: Convert to fraction form
    275,474,778.66/380,172,373.86 = 151,715,422.98/x
  3. Step 3: Cross multiply
    275,474,778.66x = 380,172,373.86 × 151,715,422.98
  4. Step 4: Simplify right side
    275,474,778.66x = 57,678,012,505,480,592
  5. Step 5: Solve for x
    x = 57,678,012,505,480,592/275,474,778.66
  6. Step 6: Final answer
    x = 209,376,745.07

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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.