Finding the Fourth Proportional to 163,413,917.03, 225,504,418.56 and 89,072,841.98
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Solution
The fourth proportional to 163,413,917.03, 225,504,418.56 and 89,072,841.98 is: 122,916,822.54
Step by Step Solution
- Step 1: Write the proportion equation
163,413,917.03 : 225,504,418.56 = 89,072,841.98 : x - Step 2: Convert to fraction form
163,413,917.03/225,504,418.56 = 89,072,841.98/x - Step 3: Cross multiply
163,413,917.03x = 225,504,418.56 × 89,072,841.98 - Step 4: Simplify right side
163,413,917.03x = 20,086,319,440,186,660 - Step 5: Solve for x
x = 20,086,319,440,186,660/163,413,917.03 - Step 6: Final answer
x = 122,916,822.54
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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.