Finding the Fourth Proportional to 132,663,153.20, 198,994,729.80 and 40,546,713.20
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Solution
The fourth proportional to 132,663,153.20, 198,994,729.80 and 40,546,713.20 is: 60,820,069.80
Step by Step Solution
- Step 1: Write the proportion equation
132,663,153.20 : 198,994,729.80 = 40,546,713.20 : x - Step 2: Convert to fraction form
132,663,153.20/198,994,729.80 = 40,546,713.20/x - Step 3: Cross multiply
132,663,153.20x = 198,994,729.80 × 40,546,713.20 - Step 4: Simplify right side
132,663,153.20x = 8,068,582,237,512,094 - Step 5: Solve for x
x = 8,068,582,237,512,094/132,663,153.20 - Step 6: Final answer
x = 60,820,069.80
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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.