Home / 137,813,732.70-190,123,192.47-82,027,872.78

Finding the Fourth Proportional to 137,813,732.70, 190,123,192.47 and 82,027,872.78

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Solution

The fourth proportional to 137,813,732.70, 190,123,192.47 and 82,027,872.78 is: 113,162,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,813,732.70 : 190,123,192.47 = 82,027,872.78 : x
  2. Step 2: Convert to fraction form
    137,813,732.70/190,123,192.47 = 82,027,872.78/x
  3. Step 3: Cross multiply
    137,813,732.70x = 190,123,192.47 × 82,027,872.78
  4. Step 4: Simplify right side
    137,813,732.70x = 15,595,401,044,456,614
  5. Step 5: Solve for x
    x = 15,595,401,044,456,614/137,813,732.70
  6. Step 6: Final answer
    x = 113,162,895.59

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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.