Finding the Fourth Proportional to 146,262,062.63, 201,844,247.09 and 79,283,214.44
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Solution
The fourth proportional to 146,262,062.63, 201,844,247.09 and 79,283,214.44 is: 109,412,245.64
Step by Step Solution
- Step 1: Write the proportion equation
146,262,062.63 : 201,844,247.09 = 79,283,214.44 : x - Step 2: Convert to fraction form
146,262,062.63/201,844,247.09 = 79,283,214.44/x - Step 3: Cross multiply
146,262,062.63x = 201,844,247.09 × 79,283,214.44 - Step 4: Simplify right side
146,262,062.63x = 16,002,860,724,111,180 - Step 5: Solve for x
x = 16,002,860,724,111,180/146,262,062.63 - Step 6: Final answer
x = 109,412,245.64
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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.