Finding the Fourth Proportional to 216,345,125.97, 298,556,536.28 and 117,225,796.70
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Solution
The fourth proportional to 216,345,125.97, 298,556,536.28 and 117,225,796.70 is: 161,771,741.65
Step by Step Solution
- Step 1: Write the proportion equation
216,345,125.97 : 298,556,536.28 = 117,225,796.70 : x - Step 2: Convert to fraction form
216,345,125.97/298,556,536.28 = 117,225,796.70/x - Step 3: Cross multiply
216,345,125.97x = 298,556,536.28 × 117,225,796.70 - Step 4: Simplify right side
216,345,125.97x = 34,998,527,825,415,452 - Step 5: Solve for x
x = 34,998,527,825,415,452/216,345,125.97 - Step 6: Final answer
x = 161,771,741.65
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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.