Home / 129,446,768.40-194,170,152.60-119,593,021.20

Finding the Fourth Proportional to 129,446,768.40, 194,170,152.60 and 119,593,021.20

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Solution

The fourth proportional to 129,446,768.40, 194,170,152.60 and 119,593,021.20 is: 179,389,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,446,768.40 : 194,170,152.60 = 119,593,021.20 : x
  2. Step 2: Convert to fraction form
    129,446,768.40/194,170,152.60 = 119,593,021.20/x
  3. Step 3: Cross multiply
    129,446,768.40x = 194,170,152.60 × 119,593,021.20
  4. Step 4: Simplify right side
    129,446,768.40x = 23,221,395,176,299,036
  5. Step 5: Solve for x
    x = 23,221,395,176,299,036/129,446,768.40
  6. Step 6: Final answer
    x = 179,389,531.80

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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.