Finding the Fourth Proportional to 226,504,338.68, 312,539,453.89 and 127,379,174.49
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Solution
The fourth proportional to 226,504,338.68, 312,539,453.89 and 127,379,174.49 is: 175,762,715.47
Step by Step Solution
- Step 1: Write the proportion equation
226,504,338.68 : 312,539,453.89 = 127,379,174.49 : x - Step 2: Convert to fraction form
226,504,338.68/312,539,453.89 = 127,379,174.49/x - Step 3: Cross multiply
226,504,338.68x = 312,539,453.89 × 127,379,174.49 - Step 4: Simplify right side
226,504,338.68x = 39,811,017,631,745,168 - Step 5: Solve for x
x = 39,811,017,631,745,168/226,504,338.68 - Step 6: Final answer
x = 175,762,715.47
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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.