Finding the Fourth Proportional to 75,540,634.40, 113,310,951.60 and 52,582,383.20
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Solution
The fourth proportional to 75,540,634.40, 113,310,951.60 and 52,582,383.20 is: 78,873,574.80
Step by Step Solution
- Step 1: Write the proportion equation
75,540,634.40 : 113,310,951.60 = 52,582,383.20 : x - Step 2: Convert to fraction form
75,540,634.40/113,310,951.60 = 52,582,383.20/x - Step 3: Cross multiply
75,540,634.40x = 113,310,951.60 × 52,582,383.20 - Step 4: Simplify right side
75,540,634.40x = 5,958,159,877,787,853 - Step 5: Solve for x
x = 5,958,159,877,787,853/75,540,634.40 - Step 6: Final answer
x = 78,873,574.80
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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.