Finding the Fourth Proportional to 213,192,116.84, 294,207,149.43 and 125,087,613.53
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Solution
The fourth proportional to 213,192,116.84, 294,207,149.43 and 125,087,613.53 is: 172,622,096.68
Step by Step Solution
- Step 1: Write the proportion equation
213,192,116.84 : 294,207,149.43 = 125,087,613.53 : x - Step 2: Convert to fraction form
213,192,116.84/294,207,149.43 = 125,087,613.53/x - Step 3: Cross multiply
213,192,116.84x = 294,207,149.43 × 125,087,613.53 - Step 4: Simplify right side
213,192,116.84x = 36,801,670,204,191,768 - Step 5: Solve for x
x = 36,801,670,204,191,768/213,192,116.84 - Step 6: Final answer
x = 172,622,096.68
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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.