Finding the Fourth Proportional to 142,220,435.99, 213,347,731.94 and 50,085,118.68
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Solution
The fourth proportional to 142,220,435.99, 213,347,731.94 and 50,085,118.68 is: 75,133,692.29
Step by Step Solution
- Step 1: Write the proportion equation
142,220,435.99 : 213,347,731.94 = 50,085,118.68 : x - Step 2: Convert to fraction form
142,220,435.99/213,347,731.94 = 50,085,118.68/x - Step 3: Cross multiply
142,220,435.99x = 213,347,731.94 × 50,085,118.68 - Step 4: Simplify right side
142,220,435.99x = 10,685,546,474,073,302 - Step 5: Solve for x
x = 10,685,546,474,073,302/142,220,435.99 - Step 6: Final answer
x = 75,133,692.29
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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.