Finding the Fourth Proportional to 74,930,231.07, 103,405,990.68 and 41,891,872.14
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Solution
The fourth proportional to 74,930,231.07, 103,405,990.68 and 41,891,872.14 is: 57,812,053.67
Step by Step Solution
- Step 1: Write the proportion equation
74,930,231.07 : 103,405,990.68 = 41,891,872.14 : x - Step 2: Convert to fraction form
74,930,231.07/103,405,990.68 = 41,891,872.14/x - Step 3: Cross multiply
74,930,231.07x = 103,405,990.68 × 41,891,872.14 - Step 4: Simplify right side
74,930,231.07x = 4,331,870,540,076,592 - Step 5: Solve for x
x = 4,331,870,540,076,592/74,930,231.07 - Step 6: Final answer
x = 57,812,053.67
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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.