Home / 251,245,200.20-376,879,610.10-78,727,641.80

Finding the Fourth Proportional to 251,245,200.20, 376,879,610.10 and 78,727,641.80

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Solution

The fourth proportional to 251,245,200.20, 376,879,610.10 and 78,727,641.80 is: 118,095,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,245,200.20 : 376,879,610.10 = 78,727,641.80 : x
  2. Step 2: Convert to fraction form
    251,245,200.20/376,879,610.10 = 78,727,641.80/x
  3. Step 3: Cross multiply
    251,245,200.20x = 376,879,610.10 × 78,727,641.80
  4. Step 4: Simplify right side
    251,245,200.20x = 29,670,842,945,676,464
  5. Step 5: Solve for x
    x = 29,670,842,945,676,464/251,245,200.20
  6. Step 6: Final answer
    x = 118,095,163.30

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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.