Finding the Fourth Proportional to 220,825,141.97, 304,734,742.41 and 120,354,484.08
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Solution
The fourth proportional to 220,825,141.97, 304,734,742.41 and 120,354,484.08 is: 166,087,033.28
Step by Step Solution
- Step 1: Write the proportion equation
220,825,141.97 : 304,734,742.41 = 120,354,484.08 : x - Step 2: Convert to fraction form
220,825,141.97/304,734,742.41 = 120,354,484.08/x - Step 3: Cross multiply
220,825,141.97x = 304,734,742.41 × 120,354,484.08 - Step 4: Simplify right side
220,825,141.97x = 36,676,192,702,413,160 - Step 5: Solve for x
x = 36,676,192,702,413,160/220,825,141.97 - Step 6: Final answer
x = 166,087,033.28
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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.