Home / 131,112,052.60-196,668,078.90-80,093,716.60

Finding the Fourth Proportional to 131,112,052.60, 196,668,078.90 and 80,093,716.60

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Solution

The fourth proportional to 131,112,052.60, 196,668,078.90 and 80,093,716.60 is: 120,140,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,052.60 : 196,668,078.90 = 80,093,716.60 : x
  2. Step 2: Convert to fraction form
    131,112,052.60/196,668,078.90 = 80,093,716.60/x
  3. Step 3: Cross multiply
    131,112,052.60x = 196,668,078.90 × 80,093,716.60
  4. Step 4: Simplify right side
    131,112,052.60x = 15,751,877,375,683,040
  5. Step 5: Solve for x
    x = 15,751,877,375,683,040/131,112,052.60
  6. Step 6: Final answer
    x = 120,140,574.90

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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.