Finding the Fourth Proportional to 220,276,954.84, 303,982,352.82 and 121,165,242.28
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Solution
The fourth proportional to 220,276,954.84, 303,982,352.82 and 121,165,242.28 is: 167,208,119.68
Step by Step Solution
- Step 1: Write the proportion equation
220,276,954.84 : 303,982,352.82 = 121,165,242.28 : x - Step 2: Convert to fraction form
220,276,954.84/303,982,352.82 = 121,165,242.28/x - Step 3: Cross multiply
220,276,954.84x = 303,982,352.82 × 121,165,242.28 - Step 4: Simplify right side
220,276,954.84x = 36,832,095,428,279,744 - Step 5: Solve for x
x = 36,832,095,428,279,744/220,276,954.84 - Step 6: Final answer
x = 167,208,119.68
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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.