Finding the Fourth Proportional to 214,993,729.23, 296,597,785.88 and 136,635,312.63
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Solution
The fourth proportional to 214,993,729.23, 296,597,785.88 and 136,635,312.63 is: 188,497,270.80
Step by Step Solution
- Step 1: Write the proportion equation
214,993,729.23 : 296,597,785.88 = 136,635,312.63 : x - Step 2: Convert to fraction form
214,993,729.23/296,597,785.88 = 136,635,312.63/x - Step 3: Cross multiply
214,993,729.23x = 296,597,785.88 × 136,635,312.63 - Step 4: Simplify right side
214,993,729.23x = 40,525,731,198,396,424 - Step 5: Solve for x
x = 40,525,731,198,396,424/214,993,729.23 - Step 6: Final answer
x = 188,497,270.80
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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.