Finding the Fourth Proportional to 50,678,891.45, 69,937,420.49 and 29,771,805.68
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Solution
The fourth proportional to 50,678,891.45, 69,937,420.49 and 29,771,805.68 is: 41,085,415.11
Step by Step Solution
- Step 1: Write the proportion equation
50,678,891.45 : 69,937,420.49 = 29,771,805.68 : x - Step 2: Convert to fraction form
50,678,891.45/69,937,420.49 = 29,771,805.68/x - Step 3: Cross multiply
50,678,891.45x = 69,937,420.49 × 29,771,805.68 - Step 4: Simplify right side
50,678,891.45x = 2,082,163,292,197,294.25 - Step 5: Solve for x
x = 2,082,163,292,197,294.25/50,678,891.45 - Step 6: Final answer
x = 41,085,415.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.