Finding the Fourth Proportional to 121,497,815.20, 182,246,722.80 and 36,397,271.20
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Solution
The fourth proportional to 121,497,815.20, 182,246,722.80 and 36,397,271.20 is: 54,595,906.80
Step by Step Solution
- Step 1: Write the proportion equation
121,497,815.20 : 182,246,722.80 = 36,397,271.20 : x - Step 2: Convert to fraction form
121,497,815.20/182,246,722.80 = 36,397,271.20/x - Step 3: Cross multiply
121,497,815.20x = 182,246,722.80 × 36,397,271.20 - Step 4: Simplify right side
121,497,815.20x = 6,633,283,395,062,824 - Step 5: Solve for x
x = 6,633,283,395,062,824/121,497,815.20 - Step 6: Final answer
x = 54,595,906.80
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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.