Finding the Fourth Proportional to 231,514,448.51, 319,490,245.60 and 125,667,795.08
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Solution
The fourth proportional to 231,514,448.51, 319,490,245.60 and 125,667,795.08 is: 173,421,723.67
Step by Step Solution
- Step 1: Write the proportion equation
231,514,448.51 : 319,490,245.60 = 125,667,795.08 : x - Step 2: Convert to fraction form
231,514,448.51/319,490,245.60 = 125,667,795.08/x - Step 3: Cross multiply
231,514,448.51x = 319,490,245.60 × 125,667,795.08 - Step 4: Simplify right side
231,514,448.51x = 40,149,634,714,604,232 - Step 5: Solve for x
x = 40,149,634,714,604,232/231,514,448.51 - Step 6: Final answer
x = 173,421,723.67
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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.