Finding the Fourth Proportional to 227,197,407.26, 313,560,037.27 and 128,097,242.03
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Solution
The fourth proportional to 227,197,407.26, 313,560,037.27 and 128,097,242.03 is: 176,789,763.89
Step by Step Solution
- Step 1: Write the proportion equation
227,197,407.26 : 313,560,037.27 = 128,097,242.03 : x - Step 2: Convert to fraction form
227,197,407.26/313,560,037.27 = 128,097,242.03/x - Step 3: Cross multiply
227,197,407.26x = 313,560,037.27 × 128,097,242.03 - Step 4: Simplify right side
227,197,407.26x = 40,166,175,986,055,032 - Step 5: Solve for x
x = 40,166,175,986,055,032/227,197,407.26 - Step 6: Final answer
x = 176,789,763.89
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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.