Home / 136,876,378-205,324,013.76-39,832,889.44

Finding the Fourth Proportional to 136,876,378, 205,324,013.76 and 39,832,889.44

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Solution

The fourth proportional to 136,876,378, 205,324,013.76 and 39,832,889.44 is: 59,752,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,876,378 : 205,324,013.76 = 39,832,889.44 : x
  2. Step 2: Convert to fraction form
    136,876,378/205,324,013.76 = 39,832,889.44/x
  3. Step 3: Cross multiply
    136,876,378x = 205,324,013.76 × 39,832,889.44
  4. Step 4: Simplify right side
    136,876,378x = 8,178,648,739,479,118
  5. Step 5: Solve for x
    x = 8,178,648,739,479,118/136,876,378
  6. Step 6: Final answer
    x = 59,752,083.30

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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.