Finding the Fourth Proportional to 231,514,446.25, 319,490,242.49 and 125,667,792.84
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Solution
The fourth proportional to 231,514,446.25, 319,490,242.49 and 125,667,792.84 is: 173,421,720.58
Step by Step Solution
- Step 1: Write the proportion equation
231,514,446.25 : 319,490,242.49 = 125,667,792.84 : x - Step 2: Convert to fraction form
231,514,446.25/319,490,242.49 = 125,667,792.84/x - Step 3: Cross multiply
231,514,446.25x = 319,490,242.49 × 125,667,792.84 - Step 4: Simplify right side
231,514,446.25x = 40,149,633,607,745,272 - Step 5: Solve for x
x = 40,149,633,607,745,272/231,514,446.25 - Step 6: Final answer
x = 173,421,720.58
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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.