Home / 76,659,013.44-114,984,697.60-28,133,049.28

Finding the Fourth Proportional to 76,659,013.44, 114,984,697.60 and 28,133,049.28

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Solution

The fourth proportional to 76,659,013.44, 114,984,697.60 and 28,133,049.28 is: 42,198,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659,013.44 : 114,984,697.60 = 28,133,049.28 : x
  2. Step 2: Convert to fraction form
    76,659,013.44/114,984,697.60 = 28,133,049.28/x
  3. Step 3: Cross multiply
    76,659,013.44x = 114,984,697.60 × 28,133,049.28
  4. Step 4: Simplify right side
    76,659,013.44x = 3,234,870,164,026,697.50
  5. Step 5: Solve for x
    x = 3,234,870,164,026,697.50/76,659,013.44
  6. Step 6: Final answer
    x = 42,198,171.08

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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.