Finding the Fourth Proportional to 146,043,609.18, 201,540,229.56 and 79,968,286.68
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Solution
The fourth proportional to 146,043,609.18, 201,540,229.56 and 79,968,286.68 is: 110,356,262.39
Step by Step Solution
- Step 1: Write the proportion equation
146,043,609.18 : 201,540,229.56 = 79,968,286.68 : x - Step 2: Convert to fraction form
146,043,609.18/201,540,229.56 = 79,968,286.68/x - Step 3: Cross multiply
146,043,609.18x = 201,540,229.56 × 79,968,286.68 - Step 4: Simplify right side
146,043,609.18x = 16,116,826,855,007,092 - Step 5: Solve for x
x = 16,116,826,855,007,092/146,043,609.18 - Step 6: Final answer
x = 110,356,262.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.