Finding the Fourth Proportional to 122,481,534.70, 183,722,302.05 and 54,324,226.45
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Solution
The fourth proportional to 122,481,534.70, 183,722,302.05 and 54,324,226.45 is: 81,486,339.68
Step by Step Solution
- Step 1: Write the proportion equation
122,481,534.70 : 183,722,302.05 = 54,324,226.45 : x - Step 2: Convert to fraction form
122,481,534.70/183,722,302.05 = 54,324,226.45/x - Step 3: Cross multiply
122,481,534.70x = 183,722,302.05 × 54,324,226.45 - Step 4: Simplify right side
122,481,534.70x = 9,980,571,940,479,500 - Step 5: Solve for x
x = 9,980,571,940,479,500/122,481,534.70 - Step 6: Final answer
x = 81,486,339.68
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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.