Home / 260,093,808.72-389,867,610.24-87,510,705.93

Finding the Fourth Proportional to 260,093,808.72, 389,867,610.24 and 87,510,705.93

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Solution

The fourth proportional to 260,093,808.72, 389,867,610.24 and 87,510,705.93 is: 131,174,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,093,808.72 : 389,867,610.24 = 87,510,705.93 : x
  2. Step 2: Convert to fraction form
    260,093,808.72/389,867,610.24 = 87,510,705.93/x
  3. Step 3: Cross multiply
    260,093,808.72x = 389,867,610.24 × 87,510,705.93
  4. Step 4: Simplify right side
    260,093,808.72x = 34,117,589,791,344,500
  5. Step 5: Solve for x
    x = 34,117,589,791,344,500/260,093,808.72
  6. Step 6: Final answer
    x = 131,174,171.19

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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.