Home / 75,899,650.96-113,856,424.40-21,311,868.64

Finding the Fourth Proportional to 75,899,650.96, 113,856,424.40 and 21,311,868.64

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Solution

The fourth proportional to 75,899,650.96, 113,856,424.40 and 21,311,868.64 is: 31,969,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899,650.96 : 113,856,424.40 = 21,311,868.64 : x
  2. Step 2: Convert to fraction form
    75,899,650.96/113,856,424.40 = 21,311,868.64/x
  3. Step 3: Cross multiply
    75,899,650.96x = 113,856,424.40 × 21,311,868.64
  4. Step 4: Simplify right side
    75,899,650.96x = 2,426,493,160,632,891
  5. Step 5: Solve for x
    x = 2,426,493,160,632,891/75,899,650.96
  6. Step 6: Final answer
    x = 31,969,753.88

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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.