Home / 296,982,807.31-445,491,234.83-78,627,475.44

Finding the Fourth Proportional to 296,982,807.31, 445,491,234.83 and 78,627,475.44

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Solution

The fourth proportional to 296,982,807.31, 445,491,234.83 and 78,627,475.44 is: 117,945,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,982,807.31 : 445,491,234.83 = 78,627,475.44 : x
  2. Step 2: Convert to fraction form
    296,982,807.31/445,491,234.83 = 78,627,475.44/x
  3. Step 3: Cross multiply
    296,982,807.31x = 445,491,234.83 × 78,627,475.44
  4. Step 4: Simplify right side
    296,982,807.31x = 35,027,851,124,020,800
  5. Step 5: Solve for x
    x = 35,027,851,124,020,800/296,982,807.31
  6. Step 6: Final answer
    x = 117,945,720.30

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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.