Home / 77,233,480.80-115,816,006.80-26,101,615.20

Finding the Fourth Proportional to 77,233,480.80, 115,816,006.80 and 26,101,615.20

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Solution

The fourth proportional to 77,233,480.80, 115,816,006.80 and 26,101,615.20 is: 39,140,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,233,480.80 : 115,816,006.80 = 26,101,615.20 : x
  2. Step 2: Convert to fraction form
    77,233,480.80/115,816,006.80 = 26,101,615.20/x
  3. Step 3: Cross multiply
    77,233,480.80x = 115,816,006.80 × 26,101,615.20
  4. Step 4: Simplify right side
    77,233,480.80x = 3,022,984,843,494,183
  5. Step 5: Solve for x
    x = 3,022,984,843,494,183/77,233,480.80
  6. Step 6: Final answer
    x = 39,140,859.80

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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.