Finding the Fourth Proportional to 316,922,837.18, 437,345,076.44 and 182,956,232.18
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Solution
The fourth proportional to 316,922,837.18, 437,345,076.44 and 182,956,232.18 is: 252,474,728.74
Step by Step Solution
- Step 1: Write the proportion equation
316,922,837.18 : 437,345,076.44 = 182,956,232.18 : x - Step 2: Convert to fraction form
316,922,837.18/437,345,076.44 = 182,956,232.18/x - Step 3: Cross multiply
316,922,837.18x = 437,345,076.44 × 182,956,232.18 - Step 4: Simplify right side
316,922,837.18x = 80,015,007,347,936,496 - Step 5: Solve for x
x = 80,015,007,347,936,496/316,922,837.18 - Step 6: Final answer
x = 252,474,728.74
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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.