Finding the Fourth Proportional to 53,227,921.80, 79,729,908.30 and 44,269,969.80
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Solution
The fourth proportional to 53,227,921.80, 79,729,908.30 and 44,269,969.80 is: 66,311,824.95
Step by Step Solution
- Step 1: Write the proportion equation
53,227,921.80 : 79,729,908.30 = 44,269,969.80 : x - Step 2: Convert to fraction form
53,227,921.80/79,729,908.30 = 44,269,969.80/x - Step 3: Cross multiply
53,227,921.80x = 79,729,908.30 × 44,269,969.80 - Step 4: Simplify right side
53,227,921.80x = 3,529,640,632,597,769 - Step 5: Solve for x
x = 3,529,640,632,597,769/53,227,921.80 - Step 6: Final answer
x = 66,311,824.95
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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.