Finding the Fourth Proportional to 54,040,335.18, 81,068,900.49 and 18,146,941.26
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Solution
The fourth proportional to 54,040,335.18, 81,068,900.49 and 18,146,941.26 is: 27,223,231.87
Step by Step Solution
- Step 1: Write the proportion equation
54,040,335.18 : 81,068,900.49 = 18,146,941.26 : x - Step 2: Convert to fraction form
54,040,335.18/81,068,900.49 = 18,146,941.26/x - Step 3: Cross multiply
54,040,335.18x = 81,068,900.49 × 18,146,941.26 - Step 4: Simplify right side
54,040,335.18x = 1,471,152,575,204,815.25 - Step 5: Solve for x
x = 1,471,152,575,204,815.25/54,040,335.18 - Step 6: Final answer
x = 27,223,231.87
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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.