Home / 137,814,134.28-190,123,750.98-82,028,272.20

Finding the Fourth Proportional to 137,814,134.28, 190,123,750.98 and 82,028,272.20

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Solution

The fourth proportional to 137,814,134.28, 190,123,750.98 and 82,028,272.20 is: 113,163,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,814,134.28 : 190,123,750.98 = 82,028,272.20 : x
  2. Step 2: Convert to fraction form
    137,814,134.28/190,123,750.98 = 82,028,272.20/x
  3. Step 3: Cross multiply
    137,814,134.28x = 190,123,750.98 × 82,028,272.20
  4. Step 4: Simplify right side
    137,814,134.28x = 15,595,522,797,072,456
  5. Step 5: Solve for x
    x = 15,595,522,797,072,456/137,814,134.28
  6. Step 6: Final answer
    x = 113,163,449.30

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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.