Finding the Fourth Proportional to 86,784,103.44, 130,171,936.68 and 32,207,321.64
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Solution
The fourth proportional to 86,784,103.44, 130,171,936.68 and 32,207,321.64 is: 48,309,416.90
Step by Step Solution
- Step 1: Write the proportion equation
86,784,103.44 : 130,171,936.68 = 32,207,321.64 : x - Step 2: Convert to fraction form
86,784,103.44/130,171,936.68 = 32,207,321.64/x - Step 3: Cross multiply
86,784,103.44x = 130,171,936.68 × 32,207,321.64 - Step 4: Simplify right side
86,784,103.44x = 4,192,489,433,154,474 - Step 5: Solve for x
x = 4,192,489,433,154,474/86,784,103.44 - Step 6: Final answer
x = 48,309,416.90
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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.