Home / 132,904,703.20-198,958,923.60-79,024,280.80

Finding the Fourth Proportional to 132,904,703.20, 198,958,923.60 and 79,024,280.80

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Solution

The fourth proportional to 132,904,703.20, 198,958,923.60 and 79,024,280.80 is: 118,299,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,904,703.20 : 198,958,923.60 = 79,024,280.80 : x
  2. Step 2: Convert to fraction form
    132,904,703.20/198,958,923.60 = 79,024,280.80/x
  3. Step 3: Cross multiply
    132,904,703.20x = 198,958,923.60 × 79,024,280.80
  4. Step 4: Simplify right side
    132,904,703.20x = 15,722,585,846,232,146
  5. Step 5: Solve for x
    x = 15,722,585,846,232,146/132,904,703.20
  6. Step 6: Final answer
    x = 118,299,694.95

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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.