Finding the Fourth Proportional to 148,176,615.21, 204,483,728.97 and 82,986,519.21
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Solution
The fourth proportional to 148,176,615.21, 204,483,728.97 and 82,986,519.21 is: 114,521,396.50
Step by Step Solution
- Step 1: Write the proportion equation
148,176,615.21 : 204,483,728.97 = 82,986,519.21 : x - Step 2: Convert to fraction form
148,176,615.21/204,483,728.97 = 82,986,519.21/x - Step 3: Cross multiply
148,176,615.21x = 204,483,728.97 × 82,986,519.21 - Step 4: Simplify right side
148,176,615.21x = 16,969,392,902,301,338 - Step 5: Solve for x
x = 16,969,392,902,301,338/148,176,615.21 - Step 6: Final answer
x = 114,521,396.50
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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.