Finding the Fourth Proportional to 222,624,142.80, 311,036,790 and 222,624,142.80
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Solution
The fourth proportional to 222,624,142.80, 311,036,790 and 222,624,142.80 is: 311,036,790
Step by Step Solution
- Step 1: Write the proportion equation
222,624,142.80 : 311,036,790 = 222,624,142.80 : x - Step 2: Convert to fraction form
222,624,142.80/311,036,790 = 222,624,142.80/x - Step 3: Cross multiply
222,624,142.80x = 311,036,790 × 222,624,142.80 - Step 4: Simplify right side
222,624,142.80x = 69,244,298,753,013,616 - Step 5: Solve for x
x = 69,244,298,753,013,616/222,624,142.80 - Step 6: Final answer
x = 311,036,790
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.