Finding the Fourth Proportional to 204,902,870.88, 307,375,837.28 and 66,739,236.96
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Solution
The fourth proportional to 204,902,870.88, 307,375,837.28 and 66,739,236.96 is: 100,115,868.32
Step by Step Solution
- Step 1: Write the proportion equation
204,902,870.88 : 307,375,837.28 = 66,739,236.96 : x - Step 2: Convert to fraction form
204,902,870.88/307,375,837.28 = 66,739,236.96/x - Step 3: Cross multiply
204,902,870.88x = 307,375,837.28 × 66,739,236.96 - Step 4: Simplify right side
204,902,870.88x = 20,514,028,840,008,320 - Step 5: Solve for x
x = 20,514,028,840,008,320/204,902,870.88 - Step 6: Final answer
x = 100,115,868.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.