Finding the Fourth Proportional to 231,887,274.76, 347,887,855.50 and 115,357,613.32
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Solution
The fourth proportional to 231,887,274.76, 347,887,855.50 and 115,357,613.32 is: 173,064,747.75
Step by Step Solution
- Step 1: Write the proportion equation
231,887,274.76 : 347,887,855.50 = 115,357,613.32 : x - Step 2: Convert to fraction form
231,887,274.76/347,887,855.50 = 115,357,613.32/x - Step 3: Cross multiply
231,887,274.76x = 347,887,855.50 × 115,357,613.32 - Step 4: Simplify right side
231,887,274.76x = 40,131,512,713,493,032 - Step 5: Solve for x
x = 40,131,512,713,493,032/231,887,274.76 - Step 6: Final answer
x = 173,064,747.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.