Finding the Fourth Proportional to 56,022,668.84, 77,311,872.18 and 31,576,382.84
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Solution
The fourth proportional to 56,022,668.84, 77,311,872.18 and 31,576,382.84 is: 43,575,740.40
Step by Step Solution
- Step 1: Write the proportion equation
56,022,668.84 : 77,311,872.18 = 31,576,382.84 : x - Step 2: Convert to fraction form
56,022,668.84/77,311,872.18 = 31,576,382.84/x - Step 3: Cross multiply
56,022,668.84x = 77,311,872.18 × 31,576,382.84 - Step 4: Simplify right side
56,022,668.84x = 2,441,229,274,032,825.50 - Step 5: Solve for x
x = 2,441,229,274,032,825.50/56,022,668.84 - Step 6: Final answer
x = 43,575,740.40
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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.