Home / 259,922,634-389,801,587.98-85,005,247.56

Finding the Fourth Proportional to 259,922,634, 389,801,587.98 and 85,005,247.56

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Solution

The fourth proportional to 259,922,634, 389,801,587.98 and 85,005,247.56 is: 127,480,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,922,634 : 389,801,587.98 = 85,005,247.56 : x
  2. Step 2: Convert to fraction form
    259,922,634/389,801,587.98 = 85,005,247.56/x
  3. Step 3: Cross multiply
    259,922,634x = 389,801,587.98 × 85,005,247.56
  4. Step 4: Simplify right side
    259,922,634x = 33,135,180,485,521,024
  5. Step 5: Solve for x
    x = 33,135,180,485,521,024/259,922,634
  6. Step 6: Final answer
    x = 127,480,935.29

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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.