Finding the Fourth Proportional to 68,566,791.24, 94,624,901.28 and 37,628,067.78
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Solution
The fourth proportional to 68,566,791.24, 94,624,901.28 and 37,628,067.78 is: 51,928,231.36
Step by Step Solution
- Step 1: Write the proportion equation
68,566,791.24 : 94,624,901.28 = 37,628,067.78 : x - Step 2: Convert to fraction form
68,566,791.24/94,624,901.28 = 37,628,067.78/x - Step 3: Cross multiply
68,566,791.24x = 94,624,901.28 × 37,628,067.78 - Step 4: Simplify right side
68,566,791.24x = 3,560,552,199,039,649 - Step 5: Solve for x
x = 3,560,552,199,039,649/68,566,791.24 - Step 6: Final answer
x = 51,928,231.36
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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.