Home / 57,188,395.44-78,920,784.72-31,082,905.44

Finding the Fourth Proportional to 57,188,395.44, 78,920,784.72 and 31,082,905.44

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Solution

The fourth proportional to 57,188,395.44, 78,920,784.72 and 31,082,905.44 is: 42,894,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188,395.44 : 78,920,784.72 = 31,082,905.44 : x
  2. Step 2: Convert to fraction form
    57,188,395.44/78,920,784.72 = 31,082,905.44/x
  3. Step 3: Cross multiply
    57,188,395.44x = 78,920,784.72 × 31,082,905.44
  4. Step 4: Simplify right side
    57,188,395.44x = 2,453,087,288,702,357
  5. Step 5: Solve for x
    x = 2,453,087,288,702,357/57,188,395.44
  6. Step 6: Final answer
    x = 42,894,843.78

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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.