Finding the Fourth Proportional to 122,481,506.70, 183,722,260.05 and 54,324,198.45
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Solution
The fourth proportional to 122,481,506.70, 183,722,260.05 and 54,324,198.45 is: 81,486,297.68
Step by Step Solution
- Step 1: Write the proportion equation
122,481,506.70 : 183,722,260.05 = 54,324,198.45 : x - Step 2: Convert to fraction form
122,481,506.70/183,722,260.05 = 54,324,198.45/x - Step 3: Cross multiply
122,481,506.70x = 183,722,260.05 × 54,324,198.45 - Step 4: Simplify right side
122,481,506.70x = 9,980,564,514,638,708 - Step 5: Solve for x
x = 9,980,564,514,638,708/122,481,506.70 - Step 6: Final answer
x = 81,486,297.68
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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.