Home / 61,539,489.30-92,314,121.90-20,599,144.55

Finding the Fourth Proportional to 61,539,489.30, 92,314,121.90 and 20,599,144.55

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Solution

The fourth proportional to 61,539,489.30, 92,314,121.90 and 20,599,144.55 is: 30,900,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539,489.30 : 92,314,121.90 = 20,599,144.55 : x
  2. Step 2: Convert to fraction form
    61,539,489.30/92,314,121.90 = 20,599,144.55/x
  3. Step 3: Cross multiply
    61,539,489.30x = 92,314,121.90 × 20,599,144.55
  4. Step 4: Simplify right side
    61,539,489.30x = 1,901,591,940,459,854.50
  5. Step 5: Solve for x
    x = 1,901,591,940,459,854.50/61,539,489.30
  6. Step 6: Final answer
    x = 30,900,352.96

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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.