Finding the Fourth Proportional to 220,891,294.44, 304,830,907.06 and 121,769,864.28
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Solution
The fourth proportional to 220,891,294.44, 304,830,907.06 and 121,769,864.28 is: 168,042,920.28
Step by Step Solution
- Step 1: Write the proportion equation
220,891,294.44 : 304,830,907.06 = 121,769,864.28 : x - Step 2: Convert to fraction form
220,891,294.44/304,830,907.06 = 121,769,864.28/x - Step 3: Cross multiply
220,891,294.44x = 304,830,907.06 × 121,769,864.28 - Step 4: Simplify right side
220,891,294.44x = 37,119,218,182,111,888 - Step 5: Solve for x
x = 37,119,218,182,111,888/220,891,294.44 - Step 6: Final answer
x = 168,042,920.28
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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.