Home / 135,990,797.01-187,665,504.71-75,639,383.84

Finding the Fourth Proportional to 135,990,797.01, 187,665,504.71 and 75,639,383.84

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Solution

The fourth proportional to 135,990,797.01, 187,665,504.71 and 75,639,383.84 is: 104,381,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,990,797.01 : 187,665,504.71 = 75,639,383.84 : x
  2. Step 2: Convert to fraction form
    135,990,797.01/187,665,504.71 = 75,639,383.84/x
  3. Step 3: Cross multiply
    135,990,797.01x = 187,665,504.71 × 75,639,383.84
  4. Step 4: Simplify right side
    135,990,797.01x = 14,194,903,142,970,494
  5. Step 5: Solve for x
    x = 14,194,903,142,970,494/135,990,797.01
  6. Step 6: Final answer
    x = 104,381,351.20

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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.