Finding the Fourth Proportional to 246,138,247.49, 339,775,369.13 and 153,364,592.12
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Solution
The fourth proportional to 246,138,247.49, 339,775,369.13 and 153,364,592.12 is: 211,708,303.89
Step by Step Solution
- Step 1: Write the proportion equation
246,138,247.49 : 339,775,369.13 = 153,364,592.12 : x - Step 2: Convert to fraction form
246,138,247.49/339,775,369.13 = 153,364,592.12/x - Step 3: Cross multiply
246,138,247.49x = 339,775,369.13 × 153,364,592.12 - Step 4: Simplify right side
246,138,247.49x = 52,109,510,898,278,064 - Step 5: Solve for x
x = 52,109,510,898,278,064/246,138,247.49 - Step 6: Final answer
x = 211,708,303.89
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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.