Finding the Fourth Proportional to 122,303,203.80, 183,454,805.70 and 49,519,843.80
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Solution
The fourth proportional to 122,303,203.80, 183,454,805.70 and 49,519,843.80 is: 74,279,765.70
Step by Step Solution
- Step 1: Write the proportion equation
122,303,203.80 : 183,454,805.70 = 49,519,843.80 : x - Step 2: Convert to fraction form
122,303,203.80/183,454,805.70 = 49,519,843.80/x - Step 3: Cross multiply
122,303,203.80x = 183,454,805.70 × 49,519,843.80 - Step 4: Simplify right side
122,303,203.80x = 9,084,653,322,623,348 - Step 5: Solve for x
x = 9,084,653,322,623,348/122,303,203.80 - Step 6: Final answer
x = 74,279,765.70
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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.