Finding the Fourth Proportional to 309,773,605.68, 427,471,346.88 and 170,517,168
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Solution
The fourth proportional to 309,773,605.68, 427,471,346.88 and 170,517,168 is: 235,304,758.49
Step by Step Solution
- Step 1: Write the proportion equation
309,773,605.68 : 427,471,346.88 = 170,517,168 : x - Step 2: Convert to fraction form
309,773,605.68/427,471,346.88 = 170,517,168/x - Step 3: Cross multiply
309,773,605.68x = 427,471,346.88 × 170,517,168 - Step 4: Simplify right side
309,773,605.68x = 72,891,203,471,123,232 - Step 5: Solve for x
x = 72,891,203,471,123,232/309,773,605.68 - Step 6: Final answer
x = 235,304,758.49
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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.