Finding the Fourth Proportional to 122,481,738.20, 183,722,607.30 and 54,324,429.95
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Solution
The fourth proportional to 122,481,738.20, 183,722,607.30 and 54,324,429.95 is: 81,486,644.93
Step by Step Solution
- Step 1: Write the proportion equation
122,481,738.20 : 183,722,607.30 = 54,324,429.95 : x - Step 2: Convert to fraction form
122,481,738.20/183,722,607.30 = 54,324,429.95/x - Step 3: Cross multiply
122,481,738.20x = 183,722,607.30 × 54,324,429.95 - Step 4: Simplify right side
122,481,738.20x = 9,980,625,910,500,210 - Step 5: Solve for x
x = 9,980,625,910,500,210/122,481,738.20 - Step 6: Final answer
x = 81,486,644.93
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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.