Home / 73,635,979-110,469,912.54-28,197,775.12

Finding the Fourth Proportional to 73,635,979, 110,469,912.54 and 28,197,775.12

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Solution

The fourth proportional to 73,635,979, 110,469,912.54 and 28,197,775.12 is: 42,302,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635,979 : 110,469,912.54 = 28,197,775.12 : x
  2. Step 2: Convert to fraction form
    73,635,979/110,469,912.54 = 28,197,775.12/x
  3. Step 3: Cross multiply
    73,635,979x = 110,469,912.54 × 28,197,775.12
  4. Step 4: Simplify right side
    73,635,979x = 3,115,005,751,328,988.50
  5. Step 5: Solve for x
    x = 3,115,005,751,328,988.50/73,635,979
  6. Step 6: Final answer
    x = 42,302,768.21

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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.