Home / 61,539,489.05-92,314,121.52-20,599,144.30

Finding the Fourth Proportional to 61,539,489.05, 92,314,121.52 and 20,599,144.30

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Solution

The fourth proportional to 61,539,489.05, 92,314,121.52 and 20,599,144.30 is: 30,900,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539,489.05 : 92,314,121.52 = 20,599,144.30 : x
  2. Step 2: Convert to fraction form
    61,539,489.05/92,314,121.52 = 20,599,144.30/x
  3. Step 3: Cross multiply
    61,539,489.05x = 92,314,121.52 × 20,599,144.30
  4. Step 4: Simplify right side
    61,539,489.05x = 1,901,591,910,118,215.25
  5. Step 5: Solve for x
    x = 1,901,591,910,118,215.25/61,539,489.05
  6. Step 6: Final answer
    x = 30,900,352.59

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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.