Finding the Fourth Proportional to 122,481,331.20, 183,721,996.80 and 41,702,299.20
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Solution
The fourth proportional to 122,481,331.20, 183,721,996.80 and 41,702,299.20 is: 62,553,448.80
Step by Step Solution
- Step 1: Write the proportion equation
122,481,331.20 : 183,721,996.80 = 41,702,299.20 : x - Step 2: Convert to fraction form
122,481,331.20/183,721,996.80 = 41,702,299.20/x - Step 3: Cross multiply
122,481,331.20x = 183,721,996.80 × 41,702,299.20 - Step 4: Simplify right side
122,481,331.20x = 7,661,629,680,175,044 - Step 5: Solve for x
x = 7,661,629,680,175,044/122,481,331.20 - Step 6: Final answer
x = 62,553,448.80
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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.