Finding the Fourth Proportional to 164,712,794.48, 227,330,904.92 and 91,397,556.08
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Solution
The fourth proportional to 164,712,794.48, 227,330,904.92 and 91,397,556.08 is: 126,143,747.34
Step by Step Solution
- Step 1: Write the proportion equation
164,712,794.48 : 227,330,904.92 = 91,397,556.08 : x - Step 2: Convert to fraction form
164,712,794.48/227,330,904.92 = 91,397,556.08/x - Step 3: Cross multiply
164,712,794.48x = 227,330,904.92 × 91,397,556.08 - Step 4: Simplify right side
164,712,794.48x = 20,777,489,131,142,848 - Step 5: Solve for x
x = 20,777,489,131,142,848/164,712,794.48 - Step 6: Final answer
x = 126,143,747.34
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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.