Home / 81,996,440.94-123,079,764.60-47,520,202.50

Finding the Fourth Proportional to 81,996,440.94, 123,079,764.60 and 47,520,202.50

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Solution

The fourth proportional to 81,996,440.94, 123,079,764.60 and 47,520,202.50 is: 71,329,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,996,440.94 : 123,079,764.60 = 47,520,202.50 : x
  2. Step 2: Convert to fraction form
    81,996,440.94/123,079,764.60 = 47,520,202.50/x
  3. Step 3: Cross multiply
    81,996,440.94x = 123,079,764.60 × 47,520,202.50
  4. Step 4: Simplify right side
    81,996,440.94x = 5,848,775,337,444,331
  5. Step 5: Solve for x
    x = 5,848,775,337,444,331/81,996,440.94
  6. Step 6: Final answer
    x = 71,329,624.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.