Finding the Fourth Proportional to 222,045,415.06, 306,454,724.68 and 127,941,538.90
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Solution
The fourth proportional to 222,045,415.06, 306,454,724.68 and 127,941,538.90 is: 176,577,791.84
Step by Step Solution
- Step 1: Write the proportion equation
222,045,415.06 : 306,454,724.68 = 127,941,538.90 : x - Step 2: Convert to fraction form
222,045,415.06/306,454,724.68 = 127,941,538.90/x - Step 3: Cross multiply
222,045,415.06x = 306,454,724.68 × 127,941,538.90 - Step 4: Simplify right side
222,045,415.06x = 39,208,289,078,735,016 - Step 5: Solve for x
x = 39,208,289,078,735,016/222,045,415.06 - Step 6: Final answer
x = 176,577,791.84
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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.