Home / 251,529,157.82-377,334,689.52-74,284,234.76

Finding the Fourth Proportional to 251,529,157.82, 377,334,689.52 and 74,284,234.76

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Solution

The fourth proportional to 251,529,157.82, 377,334,689.52 and 74,284,234.76 is: 111,438,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,529,157.82 : 377,334,689.52 = 74,284,234.76 : x
  2. Step 2: Convert to fraction form
    251,529,157.82/377,334,689.52 = 74,284,234.76/x
  3. Step 3: Cross multiply
    251,529,157.82x = 377,334,689.52 × 74,284,234.76
  4. Step 4: Simplify right side
    251,529,157.82x = 28,030,018,659,395,392
  5. Step 5: Solve for x
    x = 28,030,018,659,395,392/251,529,157.82
  6. Step 6: Final answer
    x = 111,438,446.75

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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.