Finding the Fourth Proportional to 66,716,129.99, 100,138,908.33 and 32,196,825.44
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Solution
The fourth proportional to 66,716,129.99, 100,138,908.33 and 32,196,825.44 is: 48,326,468.45
Step by Step Solution
- Step 1: Write the proportion equation
66,716,129.99 : 100,138,908.33 = 32,196,825.44 : x - Step 2: Convert to fraction form
66,716,129.99/100,138,908.33 = 32,196,825.44/x - Step 3: Cross multiply
66,716,129.99x = 100,138,908.33 × 32,196,825.44 - Step 4: Simplify right side
66,716,129.99x = 3,224,154,951,253,172 - Step 5: Solve for x
x = 3,224,154,951,253,172/66,716,129.99 - Step 6: Final answer
x = 48,326,468.45
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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.