Finding the Fourth Proportional to 49,494,990.20, 74,277,914.70 and 27,906,675.80
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Solution
The fourth proportional to 49,494,990.20, 74,277,914.70 and 27,906,675.80 is: 41,879,989.80
Step by Step Solution
- Step 1: Write the proportion equation
49,494,990.20 : 74,277,914.70 = 27,906,675.80 : x - Step 2: Convert to fraction form
49,494,990.20/74,277,914.70 = 27,906,675.80/x - Step 3: Cross multiply
49,494,990.20x = 74,277,914.70 × 27,906,675.80 - Step 4: Simplify right side
49,494,990.20x = 2,072,849,684,632,954.50 - Step 5: Solve for x
x = 2,072,849,684,632,954.50/49,494,990.20 - Step 6: Final answer
x = 41,879,989.80
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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.