Home / 198,968,633,095.72-298,149,253,026.78-118,135,158,988

Finding the Fourth Proportional to 198,968,633,095.72, 298,149,253,026.78 and 118,135,158,988

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Solution

The fourth proportional to 198,968,633,095.72, 298,149,253,026.78 and 118,135,158,988 is: 177,022,422,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,968,633,095.72 : 298,149,253,026.78 = 118,135,158,988 : x
  2. Step 2: Convert to fraction form
    198,968,633,095.72/298,149,253,026.78 = 118,135,158,988/x
  3. Step 3: Cross multiply
    198,968,633,095.72x = 298,149,253,026.78 × 118,135,158,988
  4. Step 4: Simplify right side
    198,968,633,095.72x = 35,221,909,408,472,100,765,696
  5. Step 5: Solve for x
    x = 35,221,909,408,472,100,765,696/198,968,633,095.72
  6. Step 6: Final answer
    x = 177,022,422,381.16

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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.