Home / 218,086,406.36-326,550,142.02-131,707,954.52

Finding the Fourth Proportional to 218,086,406.36, 326,550,142.02 and 131,707,954.52

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Solution

The fourth proportional to 218,086,406.36, 326,550,142.02 and 131,707,954.52 is: 197,211,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,086,406.36 : 326,550,142.02 = 131,707,954.52 : x
  2. Step 2: Convert to fraction form
    218,086,406.36/326,550,142.02 = 131,707,954.52/x
  3. Step 3: Cross multiply
    218,086,406.36x = 326,550,142.02 × 131,707,954.52
  4. Step 4: Simplify right side
    218,086,406.36x = 43,009,251,253,669,696
  5. Step 5: Solve for x
    x = 43,009,251,253,669,696/218,086,406.36
  6. Step 6: Final answer
    x = 197,211,976.53

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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.