Finding the Fourth Proportional to 246,138,248.12, 339,775,369.99 and 153,364,592.75
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Solution
The fourth proportional to 246,138,248.12, 339,775,369.99 and 153,364,592.75 is: 211,708,304.75
Step by Step Solution
- Step 1: Write the proportion equation
246,138,248.12 : 339,775,369.99 = 153,364,592.75 : x - Step 2: Convert to fraction form
246,138,248.12/339,775,369.99 = 153,364,592.75/x - Step 3: Cross multiply
246,138,248.12x = 339,775,369.99 × 153,364,592.75 - Step 4: Simplify right side
246,138,248.12x = 52,109,511,242,914,640 - Step 5: Solve for x
x = 52,109,511,242,914,640/246,138,248.12 - Step 6: Final answer
x = 211,708,304.75
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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.