Finding the Fourth Proportional to 305,078,851.80, 457,618,277.70 and 161,751,619.80
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Solution
The fourth proportional to 305,078,851.80, 457,618,277.70 and 161,751,619.80 is: 242,627,429.70
Step by Step Solution
- Step 1: Write the proportion equation
305,078,851.80 : 457,618,277.70 = 161,751,619.80 : x - Step 2: Convert to fraction form
305,078,851.80/457,618,277.70 = 161,751,619.80/x - Step 3: Cross multiply
305,078,851.80x = 457,618,277.70 × 161,751,619.80 - Step 4: Simplify right side
305,078,851.80x = 74,020,497,668,061,216 - Step 5: Solve for x
x = 74,020,497,668,061,216/305,078,851.80 - Step 6: Final answer
x = 242,627,429.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.