Finding the Fourth Proportional to 163,413,704.88, 225,504,126.96 and 89,072,629.44
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Solution
The fourth proportional to 163,413,704.88, 225,504,126.96 and 89,072,629.44 is: 122,916,529.88
Step by Step Solution
- Step 1: Write the proportion equation
163,413,704.88 : 225,504,126.96 = 89,072,629.44 : x - Step 2: Convert to fraction form
163,413,704.88/225,504,126.96 = 89,072,629.44/x - Step 3: Cross multiply
163,413,704.88x = 225,504,126.96 × 89,072,629.44 - Step 4: Simplify right side
163,413,704.88x = 20,086,245,537,898,792 - Step 5: Solve for x
x = 20,086,245,537,898,792/163,413,704.88 - Step 6: Final answer
x = 122,916,529.88
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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.