Home / 148,020,561.09-204,269,989.19-81,942,161.85

Finding the Fourth Proportional to 148,020,561.09, 204,269,989.19 and 81,942,161.85

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Solution

The fourth proportional to 148,020,561.09, 204,269,989.19 and 81,942,161.85 is: 113,081,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020,561.09 : 204,269,989.19 = 81,942,161.85 : x
  2. Step 2: Convert to fraction form
    148,020,561.09/204,269,989.19 = 81,942,161.85/x
  3. Step 3: Cross multiply
    148,020,561.09x = 204,269,989.19 × 81,942,161.85
  4. Step 4: Simplify right side
    148,020,561.09x = 16,738,324,514,895,018
  5. Step 5: Solve for x
    x = 16,738,324,514,895,018/148,020,561.09
  6. Step 6: Final answer
    x = 113,081,077.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.