Finding the Fourth Proportional to 122,481,513.70, 183,722,270.55 and 54,324,205.45
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Solution
The fourth proportional to 122,481,513.70, 183,722,270.55 and 54,324,205.45 is: 81,486,308.18
Step by Step Solution
- Step 1: Write the proportion equation
122,481,513.70 : 183,722,270.55 = 54,324,205.45 : x - Step 2: Convert to fraction form
122,481,513.70/183,722,270.55 = 54,324,205.45/x - Step 3: Cross multiply
122,481,513.70x = 183,722,270.55 × 54,324,205.45 - Step 4: Simplify right side
122,481,513.70x = 9,980,566,371,098,686 - Step 5: Solve for x
x = 9,980,566,371,098,686/122,481,513.70 - Step 6: Final answer
x = 81,486,308.18
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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.