Home / 148,231,245.68-204,559,138.40-82,156,009.88

Finding the Fourth Proportional to 148,231,245.68, 204,559,138.40 and 82,156,009.88

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Solution

The fourth proportional to 148,231,245.68, 204,559,138.40 and 82,156,009.88 is: 113,375,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,231,245.68 : 204,559,138.40 = 82,156,009.88 : x
  2. Step 2: Convert to fraction form
    148,231,245.68/204,559,138.40 = 82,156,009.88/x
  3. Step 3: Cross multiply
    148,231,245.68x = 204,559,138.40 × 82,156,009.88
  4. Step 4: Simplify right side
    148,231,245.68x = 16,805,762,595,434,686
  5. Step 5: Solve for x
    x = 16,805,762,595,434,686/148,231,245.68
  6. Step 6: Final answer
    x = 113,375,304.37

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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.