Home / 61,401,673.60-91,981,204.80-31,131,260.80

Finding the Fourth Proportional to 61,401,673.60, 91,981,204.80 and 31,131,260.80

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Solution

The fourth proportional to 61,401,673.60, 91,981,204.80 and 31,131,260.80 is: 46,635,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401,673.60 : 91,981,204.80 = 31,131,260.80 : x
  2. Step 2: Convert to fraction form
    61,401,673.60/91,981,204.80 = 31,131,260.80/x
  3. Step 3: Cross multiply
    61,401,673.60x = 91,981,204.80 × 31,131,260.80
  4. Step 4: Simplify right side
    61,401,673.60x = 2,863,490,875,327,012
  5. Step 5: Solve for x
    x = 2,863,490,875,327,012/61,401,673.60
  6. Step 6: Final answer
    x = 46,635,388.05

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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.