Home / 193,101,596.40-289,781,185.92-70,279,879.60

Finding the Fourth Proportional to 193,101,596.40, 289,781,185.92 and 70,279,879.60

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Solution

The fourth proportional to 193,101,596.40, 289,781,185.92 and 70,279,879.60 is: 105,466,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,101,596.40 : 289,781,185.92 = 70,279,879.60 : x
  2. Step 2: Convert to fraction form
    193,101,596.40/289,781,185.92 = 70,279,879.60/x
  3. Step 3: Cross multiply
    193,101,596.40x = 289,781,185.92 × 70,279,879.60
  4. Step 4: Simplify right side
    193,101,596.40x = 20,365,786,856,802,816
  5. Step 5: Solve for x
    x = 20,365,786,856,802,816/193,101,596.40
  6. Step 6: Final answer
    x = 105,466,693.37

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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.