Home / 117,469,658.40-162,123,076.32-71,060,244.48

Finding the Fourth Proportional to 117,469,658.40, 162,123,076.32 and 71,060,244.48

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Solution

The fourth proportional to 117,469,658.40, 162,123,076.32 and 71,060,244.48 is: 98,072,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,469,658.40 : 162,123,076.32 = 71,060,244.48 : x
  2. Step 2: Convert to fraction form
    117,469,658.40/162,123,076.32 = 71,060,244.48/x
  3. Step 3: Cross multiply
    117,469,658.40x = 162,123,076.32 × 71,060,244.48
  4. Step 4: Simplify right side
    117,469,658.40x = 11,520,505,439,148,898
  5. Step 5: Solve for x
    x = 11,520,505,439,148,898/117,469,658.40
  6. Step 6: Final answer
    x = 98,072,179.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.