Finding the Fourth Proportional to 256,387,224.33, 353,685,367.49 and 168,268,992.12
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Solution
The fourth proportional to 256,387,224.33, 353,685,367.49 and 168,268,992.12 is: 232,126,544.02
Step by Step Solution
- Step 1: Write the proportion equation
256,387,224.33 : 353,685,367.49 = 168,268,992.12 : x - Step 2: Convert to fraction form
256,387,224.33/353,685,367.49 = 168,268,992.12/x - Step 3: Cross multiply
256,387,224.33x = 353,685,367.49 × 168,268,992.12 - Step 4: Simplify right side
256,387,224.33x = 59,514,280,314,292,776 - Step 5: Solve for x
x = 59,514,280,314,292,776/256,387,224.33 - Step 6: Final answer
x = 232,126,544.02
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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.