Home / 260,093,791.66-389,867,584.65-87,510,688.87

Finding the Fourth Proportional to 260,093,791.66, 389,867,584.65 and 87,510,688.87

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Solution

The fourth proportional to 260,093,791.66, 389,867,584.65 and 87,510,688.87 is: 131,174,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,093,791.66 : 389,867,584.65 = 87,510,688.87 : x
  2. Step 2: Convert to fraction form
    260,093,791.66/389,867,584.65 = 87,510,688.87/x
  3. Step 3: Cross multiply
    260,093,791.66x = 389,867,584.65 × 87,510,688.87
  4. Step 4: Simplify right side
    260,093,791.66x = 34,117,580,899,501,708
  5. Step 5: Solve for x
    x = 34,117,580,899,501,708/260,093,791.66
  6. Step 6: Final answer
    x = 131,174,145.61

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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.