Home / 129,368,010.60-194,052,015.90-126,817,093.80

Finding the Fourth Proportional to 129,368,010.60, 194,052,015.90 and 126,817,093.80

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Solution

The fourth proportional to 129,368,010.60, 194,052,015.90 and 126,817,093.80 is: 190,225,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,368,010.60 : 194,052,015.90 = 126,817,093.80 : x
  2. Step 2: Convert to fraction form
    129,368,010.60/194,052,015.90 = 126,817,093.80/x
  3. Step 3: Cross multiply
    129,368,010.60x = 194,052,015.90 × 126,817,093.80
  4. Step 4: Simplify right side
    129,368,010.60x = 24,609,112,702,469,392
  5. Step 5: Solve for x
    x = 24,609,112,702,469,392/129,368,010.60
  6. Step 6: Final answer
    x = 190,225,640.70

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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.