Finding the Fourth Proportional to 217,822,605.63, 300,586,449.37 and 118,701,240.41
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Solution
The fourth proportional to 217,822,605.63, 300,586,449.37 and 118,701,240.41 is: 163,802,945.45
Step by Step Solution
- Step 1: Write the proportion equation
217,822,605.63 : 300,586,449.37 = 118,701,240.41 : x - Step 2: Convert to fraction form
217,822,605.63/300,586,449.37 = 118,701,240.41/x - Step 3: Cross multiply
217,822,605.63x = 300,586,449.37 × 118,701,240.41 - Step 4: Simplify right side
217,822,605.63x = 35,679,984,388,560,228 - Step 5: Solve for x
x = 35,679,984,388,560,228/217,822,605.63 - Step 6: Final answer
x = 163,802,945.45
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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.