Finding the Fourth Proportional to 81,534,915.76, 112,514,787.84 and 44,365,342
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Solution
The fourth proportional to 81,534,915.76, 112,514,787.84 and 44,365,342 is: 61,222,324.15
Step by Step Solution
- Step 1: Write the proportion equation
81,534,915.76 : 112,514,787.84 = 44,365,342 : x - Step 2: Convert to fraction form
81,534,915.76/112,514,787.84 = 44,365,342/x - Step 3: Cross multiply
81,534,915.76x = 112,514,787.84 × 44,365,342 - Step 4: Simplify right side
81,534,915.76x = 4,991,757,042,579,041 - Step 5: Solve for x
x = 4,991,757,042,579,041/81,534,915.76 - Step 6: Final answer
x = 61,222,324.15
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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.