Home / 75,139,450.56-112,630,511.32-31,445,243.44

Finding the Fourth Proportional to 75,139,450.56, 112,630,511.32 and 31,445,243.44

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Solution

The fourth proportional to 75,139,450.56, 112,630,511.32 and 31,445,243.44 is: 47,134,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,450.56 : 112,630,511.32 = 31,445,243.44 : x
  2. Step 2: Convert to fraction form
    75,139,450.56/112,630,511.32 = 31,445,243.44/x
  3. Step 3: Cross multiply
    75,139,450.56x = 112,630,511.32 × 31,445,243.44
  4. Step 4: Simplify right side
    75,139,450.56x = 3,541,693,846,665,923
  5. Step 5: Solve for x
    x = 3,541,693,846,665,923/75,139,450.56
  6. Step 6: Final answer
    x = 47,134,944.70

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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.