Home / 197,222,144.90-272,253,730.57-117,865,202.36

Finding the Fourth Proportional to 197,222,144.90, 272,253,730.57 and 117,865,202.36

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Solution

The fourth proportional to 197,222,144.90, 272,253,730.57 and 117,865,202.36 is: 162,706,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,222,144.90 : 272,253,730.57 = 117,865,202.36 : x
  2. Step 2: Convert to fraction form
    197,222,144.90/272,253,730.57 = 117,865,202.36/x
  3. Step 3: Cross multiply
    197,222,144.90x = 272,253,730.57 × 117,865,202.36
  4. Step 4: Simplify right side
    197,222,144.90x = 32,089,241,045,242,036
  5. Step 5: Solve for x
    x = 32,089,241,045,242,036/197,222,144.90
  6. Step 6: Final answer
    x = 162,706,074.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.