Finding the Fourth Proportional to 163,980,496.66, 226,293,135.06 and 89,641,382.62
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Solution
The fourth proportional to 163,980,496.66, 226,293,135.06 and 89,641,382.62 is: 123,705,135.17
Step by Step Solution
- Step 1: Write the proportion equation
163,980,496.66 : 226,293,135.06 = 89,641,382.62 : x - Step 2: Convert to fraction form
163,980,496.66/226,293,135.06 = 89,641,382.62/x - Step 3: Cross multiply
163,980,496.66x = 226,293,135.06 × 89,641,382.62 - Step 4: Simplify right side
163,980,496.66x = 20,285,229,504,192,796 - Step 5: Solve for x
x = 20,285,229,504,192,796/163,980,496.66 - Step 6: Final answer
x = 123,705,135.17
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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.