Home / 137,813,734.20-190,123,194.54-82,027,874.28

Finding the Fourth Proportional to 137,813,734.20, 190,123,194.54 and 82,027,874.28

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Solution

The fourth proportional to 137,813,734.20, 190,123,194.54 and 82,027,874.28 is: 113,162,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,813,734.20 : 190,123,194.54 = 82,027,874.28 : x
  2. Step 2: Convert to fraction form
    137,813,734.20/190,123,194.54 = 82,027,874.28/x
  3. Step 3: Cross multiply
    137,813,734.20x = 190,123,194.54 × 82,027,874.28
  4. Step 4: Simplify right side
    137,813,734.20x = 15,595,401,499,439,102
  5. Step 5: Solve for x
    x = 15,595,401,499,439,102/137,813,734.20
  6. Step 6: Final answer
    x = 113,162,897.66

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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.