Finding the Fourth Proportional to 222,076,826.70, 306,475,596.39 and 122,957,571.09
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Solution
The fourth proportional to 222,076,826.70, 306,475,596.39 and 122,957,571.09 is: 169,686,749.81
Step by Step Solution
- Step 1: Write the proportion equation
222,076,826.70 : 306,475,596.39 = 122,957,571.09 : x - Step 2: Convert to fraction form
222,076,826.70/306,475,596.39 = 122,957,571.09/x - Step 3: Cross multiply
222,076,826.70x = 306,475,596.39 × 122,957,571.09 - Step 4: Simplify right side
222,076,826.70x = 37,683,494,930,473,568 - Step 5: Solve for x
x = 37,683,494,930,473,568/222,076,826.70 - Step 6: Final answer
x = 169,686,749.81
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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.