Home / 129,960,469.20-194,940,703.80-126,181,333.20

Finding the Fourth Proportional to 129,960,469.20, 194,940,703.80 and 126,181,333.20

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Solution

The fourth proportional to 129,960,469.20, 194,940,703.80 and 126,181,333.20 is: 189,271,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,469.20 : 194,940,703.80 = 126,181,333.20 : x
  2. Step 2: Convert to fraction form
    129,960,469.20/194,940,703.80 = 126,181,333.20/x
  3. Step 3: Cross multiply
    129,960,469.20x = 194,940,703.80 × 126,181,333.20
  4. Step 4: Simplify right side
    129,960,469.20x = 24,597,877,900,430,308
  5. Step 5: Solve for x
    x = 24,597,877,900,430,308/129,960,469.20
  6. Step 6: Final answer
    x = 189,271,999.80

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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.