Finding the Fourth Proportional to 232,312,213.08, 320,581,033.74 and 126,463,425.12
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Solution
The fourth proportional to 232,312,213.08, 320,581,033.74 and 126,463,425.12 is: 174,514,180.80
Step by Step Solution
- Step 1: Write the proportion equation
232,312,213.08 : 320,581,033.74 = 126,463,425.12 : x - Step 2: Convert to fraction form
232,312,213.08/320,581,033.74 = 126,463,425.12/x - Step 3: Cross multiply
232,312,213.08x = 320,581,033.74 × 126,463,425.12 - Step 4: Simplify right side
232,312,213.08x = 40,541,775,555,270,688 - Step 5: Solve for x
x = 40,541,775,555,270,688/232,312,213.08 - Step 6: Final answer
x = 174,514,180.80
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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.