Home / 361,829,286.72-542,923,278.72-143,474,949.60

Finding the Fourth Proportional to 361,829,286.72, 542,923,278.72 and 143,474,949.60

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Solution

The fourth proportional to 361,829,286.72, 542,923,278.72 and 143,474,949.60 is: 215,283,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,829,286.72 : 542,923,278.72 = 143,474,949.60 : x
  2. Step 2: Convert to fraction form
    361,829,286.72/542,923,278.72 = 143,474,949.60/x
  3. Step 3: Cross multiply
    361,829,286.72x = 542,923,278.72 × 143,474,949.60
  4. Step 4: Simplify right side
    361,829,286.72x = 77,895,890,051,018,752
  5. Step 5: Solve for x
    x = 77,895,890,051,018,752/361,829,286.72
  6. Step 6: Final answer
    x = 215,283,540.91

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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.