Finding the Fourth Proportional to 202,752,004.80, 304,128,007.20 and 100,531,819.20
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Solution
The fourth proportional to 202,752,004.80, 304,128,007.20 and 100,531,819.20 is: 150,797,728.80
Step by Step Solution
- Step 1: Write the proportion equation
202,752,004.80 : 304,128,007.20 = 100,531,819.20 : x - Step 2: Convert to fraction form
202,752,004.80/304,128,007.20 = 100,531,819.20/x - Step 3: Cross multiply
202,752,004.80x = 304,128,007.20 × 100,531,819.20 - Step 4: Simplify right side
202,752,004.80x = 30,574,541,833,486,696 - Step 5: Solve for x
x = 30,574,541,833,486,696/202,752,004.80 - Step 6: Final answer
x = 150,797,728.80
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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.