Finding the Fourth Proportional to 48,469,099.68, 66,887,036.08 and 27,561,133.85
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Solution
The fourth proportional to 48,469,099.68, 66,887,036.08 and 27,561,133.85 is: 38,034,181.90
Step by Step Solution
- Step 1: Write the proportion equation
48,469,099.68 : 66,887,036.08 = 27,561,133.85 : x - Step 2: Convert to fraction form
48,469,099.68/66,887,036.08 = 27,561,133.85/x - Step 3: Cross multiply
48,469,099.68x = 66,887,036.08 × 27,561,133.85 - Step 4: Simplify right side
48,469,099.68x = 1,843,482,553,827,321.25 - Step 5: Solve for x
x = 1,843,482,553,827,321.25/48,469,099.68 - Step 6: Final answer
x = 38,034,181.90
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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.