Finding the Fourth Proportional to 67,676,986.08, 93,394,359.18 and 36,737,176.32
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Solution
The fourth proportional to 67,676,986.08, 93,394,359.18 and 36,737,176.32 is: 50,697,367.59
Step by Step Solution
- Step 1: Write the proportion equation
67,676,986.08 : 93,394,359.18 = 36,737,176.32 : x - Step 2: Convert to fraction form
67,676,986.08/93,394,359.18 = 36,737,176.32/x - Step 3: Cross multiply
67,676,986.08x = 93,394,359.18 × 36,737,176.32 - Step 4: Simplify right side
67,676,986.08x = 3,431,045,040,489,071 - Step 5: Solve for x
x = 3,431,045,040,489,071/67,676,986.08 - Step 6: Final answer
x = 50,697,367.59
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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.