Home / 75,003,181.38-112,509,165.60-28,945,291.86

Finding the Fourth Proportional to 75,003,181.38, 112,509,165.60 and 28,945,291.86

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Solution

The fourth proportional to 75,003,181.38, 112,509,165.60 and 28,945,291.86 is: 43,419,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003,181.38 : 112,509,165.60 = 28,945,291.86 : x
  2. Step 2: Convert to fraction form
    75,003,181.38/112,509,165.60 = 28,945,291.86/x
  3. Step 3: Cross multiply
    75,003,181.38x = 112,509,165.60 × 28,945,291.86
  4. Step 4: Simplify right side
    75,003,181.38x = 3,256,610,635,217,072
  5. Step 5: Solve for x
    x = 3,256,610,635,217,072/75,003,181.38
  6. Step 6: Final answer
    x = 43,419,633.34

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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.