Finding the Fourth Proportional to 321,684,037.08, 443,925,901.26 and 175,007,370.84
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Solution
The fourth proportional to 321,684,037.08, 443,925,901.26 and 175,007,370.84 is: 241,511,221.80
Step by Step Solution
- Step 1: Write the proportion equation
321,684,037.08 : 443,925,901.26 = 175,007,370.84 : x - Step 2: Convert to fraction form
321,684,037.08/443,925,901.26 = 175,007,370.84/x - Step 3: Cross multiply
321,684,037.08x = 443,925,901.26 × 175,007,370.84 - Step 4: Simplify right side
321,684,037.08x = 77,690,304,827,290,048 - Step 5: Solve for x
x = 77,690,304,827,290,048/321,684,037.08 - Step 6: Final answer
x = 241,511,221.80
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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.