Finding the Fourth Proportional to 231,696,458.10, 347,544,687.15 and 122,479,427.70
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Solution
The fourth proportional to 231,696,458.10, 347,544,687.15 and 122,479,427.70 is: 183,719,141.55
Step by Step Solution
- Step 1: Write the proportion equation
231,696,458.10 : 347,544,687.15 = 122,479,427.70 : x - Step 2: Convert to fraction form
231,696,458.10/347,544,687.15 = 122,479,427.70/x - Step 3: Cross multiply
231,696,458.10x = 347,544,687.15 × 122,479,427.70 - Step 4: Simplify right side
231,696,458.10x = 42,567,074,382,307,544 - Step 5: Solve for x
x = 42,567,074,382,307,544/231,696,458.10 - Step 6: Final answer
x = 183,719,141.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.