Finding the Fourth Proportional to 81,623,813.97, 112,635,695.82 and 44,954,384.97
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Solution
The fourth proportional to 81,623,813.97, 112,635,695.82 and 44,954,384.97 is: 62,034,205.28
Step by Step Solution
- Step 1: Write the proportion equation
81,623,813.97 : 112,635,695.82 = 44,954,384.97 : x - Step 2: Convert to fraction form
81,623,813.97/112,635,695.82 = 44,954,384.97/x - Step 3: Cross multiply
81,623,813.97x = 112,635,695.82 × 44,954,384.97 - Step 4: Simplify right side
81,623,813.97x = 5,063,468,431,256,099 - Step 5: Solve for x
x = 5,063,468,431,256,099/81,623,813.97 - Step 6: Final answer
x = 62,034,205.28
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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.