Home / 115,597,517.35-159,370,255.06-91,833,990.81

Finding the Fourth Proportional to 115,597,517.35, 159,370,255.06 and 91,833,990.81

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Solution

The fourth proportional to 115,597,517.35, 159,370,255.06 and 91,833,990.81 is: 126,608,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,597,517.35 : 159,370,255.06 = 91,833,990.81 : x
  2. Step 2: Convert to fraction form
    115,597,517.35/159,370,255.06 = 91,833,990.81/x
  3. Step 3: Cross multiply
    115,597,517.35x = 159,370,255.06 × 91,833,990.81
  4. Step 4: Simplify right side
    115,597,517.35x = 14,635,606,538,567,396
  5. Step 5: Solve for x
    x = 14,635,606,538,567,396/115,597,517.35
  6. Step 6: Final answer
    x = 126,608,311.96

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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.