Home / 80,691,102.72-121,055,783.04-23,181,984

Finding the Fourth Proportional to 80,691,102.72, 121,055,783.04 and 23,181,984

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Solution

The fourth proportional to 80,691,102.72, 121,055,783.04 and 23,181,984 is: 34,778,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,691,102.72 : 121,055,783.04 = 23,181,984 : x
  2. Step 2: Convert to fraction form
    80,691,102.72/121,055,783.04 = 23,181,984/x
  3. Step 3: Cross multiply
    80,691,102.72x = 121,055,783.04 × 23,181,984
  4. Step 4: Simplify right side
    80,691,102.72x = 2,806,313,225,540,751.50
  5. Step 5: Solve for x
    x = 2,806,313,225,540,751.50/80,691,102.72
  6. Step 6: Final answer
    x = 34,778,471.62

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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.