Home / 198,711,879.30-274,222,406.07-110,603,980.26

Finding the Fourth Proportional to 198,711,879.30, 274,222,406.07 and 110,603,980.26

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Solution

The fourth proportional to 198,711,879.30, 274,222,406.07 and 110,603,980.26 is: 152,633,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,711,879.30 : 274,222,406.07 = 110,603,980.26 : x
  2. Step 2: Convert to fraction form
    198,711,879.30/274,222,406.07 = 110,603,980.26/x
  3. Step 3: Cross multiply
    198,711,879.30x = 274,222,406.07 × 110,603,980.26
  4. Step 4: Simplify right side
    198,711,879.30x = 30,330,089,587,815,984
  5. Step 5: Solve for x
    x = 30,330,089,587,815,984/198,711,879.30
  6. Step 6: Final answer
    x = 152,633,499.79

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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.