Finding the Fourth Proportional to 84,994,738.40, 127,492,107.60 and 27,528,251.60
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Solution
The fourth proportional to 84,994,738.40, 127,492,107.60 and 27,528,251.60 is: 41,292,377.40
Step by Step Solution
- Step 1: Write the proportion equation
84,994,738.40 : 127,492,107.60 = 27,528,251.60 : x - Step 2: Convert to fraction form
84,994,738.40/127,492,107.60 = 27,528,251.60/x - Step 3: Cross multiply
84,994,738.40x = 127,492,107.60 × 27,528,251.60 - Step 4: Simplify right side
84,994,738.40x = 3,509,634,815,027,072 - Step 5: Solve for x
x = 3,509,634,815,027,072/84,994,738.40 - Step 6: Final answer
x = 41,292,377.40
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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.