Finding the Fourth Proportional to 229,514,404.26, 316,610,550.37 and 145,739,201.70
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Solution
The fourth proportional to 229,514,404.26, 316,610,550.37 and 145,739,201.70 is: 201,044,326.65
Step by Step Solution
- Step 1: Write the proportion equation
229,514,404.26 : 316,610,550.37 = 145,739,201.70 : x - Step 2: Convert to fraction form
229,514,404.26/316,610,550.37 = 145,739,201.70/x - Step 3: Cross multiply
229,514,404.26x = 316,610,550.37 × 145,739,201.70 - Step 4: Simplify right side
229,514,404.26x = 46,142,568,862,090,904 - Step 5: Solve for x
x = 46,142,568,862,090,904/229,514,404.26 - Step 6: Final answer
x = 201,044,326.65
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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.