Finding the Fourth Proportional to 45,795,342.49, 68,636,735.61 and 21,169,959.18
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Solution
The fourth proportional to 45,795,342.49, 68,636,735.61 and 21,169,959.18 is: 31,728,922.90
Step by Step Solution
- Step 1: Write the proportion equation
45,795,342.49 : 68,636,735.61 = 21,169,959.18 : x - Step 2: Convert to fraction form
45,795,342.49/68,636,735.61 = 21,169,959.18/x - Step 3: Cross multiply
45,795,342.49x = 68,636,735.61 × 21,169,959.18 - Step 4: Simplify right side
45,795,342.49x = 1,453,036,891,006,302.75 - Step 5: Solve for x
x = 1,453,036,891,006,302.75/45,795,342.49 - Step 6: Final answer
x = 31,728,922.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.