Finding the Fourth Proportional to 54,192,873.60, 74,786,236.20 and 29,413,059.12
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Solution
The fourth proportional to 54,192,873.60, 74,786,236.20 and 29,413,059.12 is: 40,590,059.92
Step by Step Solution
- Step 1: Write the proportion equation
54,192,873.60 : 74,786,236.20 = 29,413,059.12 : x - Step 2: Convert to fraction form
54,192,873.60/74,786,236.20 = 29,413,059.12/x - Step 3: Cross multiply
54,192,873.60x = 74,786,236.20 × 29,413,059.12 - Step 4: Simplify right side
54,192,873.60x = 2,199,691,986,712,884.25 - Step 5: Solve for x
x = 2,199,691,986,712,884.25/54,192,873.60 - Step 6: Final answer
x = 40,590,059.92
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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.