Finding the Fourth Proportional to 271,016,836.16, 406,524,449.92 and 76,928,415.68
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Solution
The fourth proportional to 271,016,836.16, 406,524,449.92 and 76,928,415.68 is: 115,392,395.21
Step by Step Solution
- Step 1: Write the proportion equation
271,016,836.16 : 406,524,449.92 = 76,928,415.68 : x - Step 2: Convert to fraction form
271,016,836.16/406,524,449.92 = 76,928,415.68/x - Step 3: Cross multiply
271,016,836.16x = 406,524,449.92 × 76,928,415.68 - Step 4: Simplify right side
271,016,836.16x = 31,273,281,867,529,108 - Step 5: Solve for x
x = 31,273,281,867,529,108/271,016,836.16 - Step 6: Final answer
x = 115,392,395.21
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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.