Home / 198,968,633,094.72-298,149,253,025.28-118,135,158,987

Finding the Fourth Proportional to 198,968,633,094.72, 298,149,253,025.28 and 118,135,158,987

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Solution

The fourth proportional to 198,968,633,094.72, 298,149,253,025.28 and 118,135,158,987 is: 177,022,422,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,968,633,094.72 : 298,149,253,025.28 = 118,135,158,987 : x
  2. Step 2: Convert to fraction form
    198,968,633,094.72/298,149,253,025.28 = 118,135,158,987/x
  3. Step 3: Cross multiply
    198,968,633,094.72x = 298,149,253,025.28 × 118,135,158,987
  4. Step 4: Simplify right side
    198,968,633,094.72x = 35,221,909,407,996,747,710,464
  5. Step 5: Solve for x
    x = 35,221,909,407,996,747,710,464/198,968,633,094.72
  6. Step 6: Final answer
    x = 177,022,422,379.66

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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.