Finding the Fourth Proportional to 136,597,484.08, 188,568,054.84 and 80,825,368.24
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Solution
The fourth proportional to 136,597,484.08, 188,568,054.84 and 80,825,368.24 is: 111,576,597.28
Step by Step Solution
- Step 1: Write the proportion equation
136,597,484.08 : 188,568,054.84 = 80,825,368.24 : x - Step 2: Convert to fraction form
136,597,484.08/188,568,054.84 = 80,825,368.24/x - Step 3: Cross multiply
136,597,484.08x = 188,568,054.84 × 80,825,368.24 - Step 4: Simplify right side
136,597,484.08x = 15,241,082,470,743,514 - Step 5: Solve for x
x = 15,241,082,470,743,514/136,597,484.08 - Step 6: Final answer
x = 111,576,597.28
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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.