Home / 57,102,474.83-78,801,515.25-30,997,010.39

Finding the Fourth Proportional to 57,102,474.83, 78,801,515.25 and 30,997,010.39

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Solution

The fourth proportional to 57,102,474.83, 78,801,515.25 and 30,997,010.39 is: 42,775,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,474.83 : 78,801,515.25 = 30,997,010.39 : x
  2. Step 2: Convert to fraction form
    57,102,474.83/78,801,515.25 = 30,997,010.39/x
  3. Step 3: Cross multiply
    57,102,474.83x = 78,801,515.25 × 30,997,010.39
  4. Step 4: Simplify right side
    57,102,474.83x = 2,442,611,386,951,993.50
  5. Step 5: Solve for x
    x = 2,442,611,386,951,993.50/57,102,474.83
  6. Step 6: Final answer
    x = 42,775,928.61

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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.