Home / 69,348,575.82-104,037,771.48-20,165,283.86

Finding the Fourth Proportional to 69,348,575.82, 104,037,771.48 and 20,165,283.86

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Solution

The fourth proportional to 69,348,575.82, 104,037,771.48 and 20,165,283.86 is: 30,252,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348,575.82 : 104,037,771.48 = 20,165,283.86 : x
  2. Step 2: Convert to fraction form
    69,348,575.82/104,037,771.48 = 20,165,283.86/x
  3. Step 3: Cross multiply
    69,348,575.82x = 104,037,771.48 × 20,165,283.86
  4. Step 4: Simplify right side
    69,348,575.82x = 2,097,951,194,056,012.25
  5. Step 5: Solve for x
    x = 2,097,951,194,056,012.25/69,348,575.82
  6. Step 6: Final answer
    x = 30,252,260.69

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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.