Finding the Fourth Proportional to 220,033,744.99, 303,580,351.47 and 131,895,583.74
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Solution
The fourth proportional to 220,033,744.99, 303,580,351.47 and 131,895,583.74 is: 181,976,213.11
Step by Step Solution
- Step 1: Write the proportion equation
220,033,744.99 : 303,580,351.47 = 131,895,583.74 : x - Step 2: Convert to fraction form
220,033,744.99/303,580,351.47 = 131,895,583.74/x - Step 3: Cross multiply
220,033,744.99x = 303,580,351.47 × 131,895,583.74 - Step 4: Simplify right side
220,033,744.99x = 40,040,907,669,624,624 - Step 5: Solve for x
x = 40,040,907,669,624,624/220,033,744.99 - Step 6: Final answer
x = 181,976,213.11
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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.