Finding the Fourth Proportional to 230,328,556.26, 317,853,431.58 and 125,907,053.10
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Solution
The fourth proportional to 230,328,556.26, 317,853,431.58 and 125,907,053.10 is: 173,751,746.37
Step by Step Solution
- Step 1: Write the proportion equation
230,328,556.26 : 317,853,431.58 = 125,907,053.10 : x - Step 2: Convert to fraction form
230,328,556.26/317,853,431.58 = 125,907,053.10/x - Step 3: Cross multiply
230,328,556.26x = 317,853,431.58 × 125,907,053.10 - Step 4: Simplify right side
230,328,556.26x = 40,019,988,887,960,272 - Step 5: Solve for x
x = 40,019,988,887,960,272/230,328,556.26 - Step 6: Final answer
x = 173,751,746.37
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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.