Finding the Fourth Proportional to 226,343,047.97, 312,307,615.58 and 132,239,020.43
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Solution
The fourth proportional to 226,343,047.97, 312,307,615.58 and 132,239,020.43 is: 182,463,095.40
Step by Step Solution
- Step 1: Write the proportion equation
226,343,047.97 : 312,307,615.58 = 132,239,020.43 : x - Step 2: Convert to fraction form
226,343,047.97/312,307,615.58 = 132,239,020.43/x - Step 3: Cross multiply
226,343,047.97x = 312,307,615.58 × 132,239,020.43 - Step 4: Simplify right side
226,343,047.97x = 41,299,253,154,905,472 - Step 5: Solve for x
x = 41,299,253,154,905,472/226,343,047.97 - Step 6: Final answer
x = 182,463,095.40
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1.5x scale
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.