Finding the Fourth Proportional to 235,179,887.36, 324,531,397.67 and 129,340,755
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Solution
The fourth proportional to 235,179,887.36, 324,531,397.67 and 129,340,755 is: 178,480,976.70
Step by Step Solution
- Step 1: Write the proportion equation
235,179,887.36 : 324,531,397.67 = 129,340,755 : x - Step 2: Convert to fraction form
235,179,887.36/324,531,397.67 = 129,340,755/x - Step 3: Cross multiply
235,179,887.36x = 324,531,397.67 × 129,340,755 - Step 4: Simplify right side
235,179,887.36x = 41,975,135,995,196,336 - Step 5: Solve for x
x = 41,975,135,995,196,336/235,179,887.36 - Step 6: Final answer
x = 178,480,976.70
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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.