Home / 61,401,669.60-91,981,198.80-31,131,256.80

Finding the Fourth Proportional to 61,401,669.60, 91,981,198.80 and 31,131,256.80

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Solution

The fourth proportional to 61,401,669.60, 91,981,198.80 and 31,131,256.80 is: 46,635,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401,669.60 : 91,981,198.80 = 31,131,256.80 : x
  2. Step 2: Convert to fraction form
    61,401,669.60/91,981,198.80 = 31,131,256.80/x
  3. Step 3: Cross multiply
    61,401,669.60x = 91,981,198.80 × 31,131,256.80
  4. Step 4: Simplify right side
    61,401,669.60x = 2,863,490,320,614,652
  5. Step 5: Solve for x
    x = 2,863,490,320,614,652/61,401,669.60
  6. Step 6: Final answer
    x = 46,635,382.06

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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.