Home / 80,743,028.72-121,071,983-35,251,679.12

Finding the Fourth Proportional to 80,743,028.72, 121,071,983 and 35,251,679.12

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Solution

The fourth proportional to 80,743,028.72, 121,071,983 and 35,251,679.12 is: 52,858,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,743,028.72 : 121,071,983 = 35,251,679.12 : x
  2. Step 2: Convert to fraction form
    80,743,028.72/121,071,983 = 35,251,679.12/x
  3. Step 3: Cross multiply
    80,743,028.72x = 121,071,983 × 35,251,679.12
  4. Step 4: Simplify right side
    80,743,028.72x = 4,267,990,695,138,094.50
  5. Step 5: Solve for x
    x = 4,267,990,695,138,094.50/80,743,028.72
  6. Step 6: Final answer
    x = 52,858,937.33

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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.