Home / 196,838,469.80-295,257,704.70-81,784,773.80

Finding the Fourth Proportional to 196,838,469.80, 295,257,704.70 and 81,784,773.80

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Solution

The fourth proportional to 196,838,469.80, 295,257,704.70 and 81,784,773.80 is: 122,677,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838,469.80 : 295,257,704.70 = 81,784,773.80 : x
  2. Step 2: Convert to fraction form
    196,838,469.80/295,257,704.70 = 81,784,773.80/x
  3. Step 3: Cross multiply
    196,838,469.80x = 295,257,704.70 × 81,784,773.80
  4. Step 4: Simplify right side
    196,838,469.80x = 24,147,584,591,596,696
  5. Step 5: Solve for x
    x = 24,147,584,591,596,696/196,838,469.80
  6. Step 6: Final answer
    x = 122,677,160.70

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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.