Home / 80,560,773.72-120,925,674.36-71,397,365.22

Finding the Fourth Proportional to 80,560,773.72, 120,925,674.36 and 71,397,365.22

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Solution

The fourth proportional to 80,560,773.72, 120,925,674.36 and 71,397,365.22 is: 107,170,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,560,773.72 : 120,925,674.36 = 71,397,365.22 : x
  2. Step 2: Convert to fraction form
    80,560,773.72/120,925,674.36 = 71,397,365.22/x
  3. Step 3: Cross multiply
    80,560,773.72x = 120,925,674.36 × 71,397,365.22
  4. Step 4: Simplify right side
    80,560,773.72x = 8,633,774,536,755,710
  5. Step 5: Solve for x
    x = 8,633,774,536,755,710/80,560,773.72
  6. Step 6: Final answer
    x = 107,170,948.57

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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.