Finding the Fourth Proportional to 84,465,508.05, 126,746,190.85 and 45,603,442.53
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Solution
The fourth proportional to 84,465,508.05, 126,746,190.85 and 45,603,442.53 is: 68,431,040.83
Step by Step Solution
- Step 1: Write the proportion equation
84,465,508.05 : 126,746,190.85 = 45,603,442.53 : x - Step 2: Convert to fraction form
84,465,508.05/126,746,190.85 = 45,603,442.53/x - Step 3: Cross multiply
84,465,508.05x = 126,746,190.85 × 45,603,442.53 - Step 4: Simplify right side
84,465,508.05x = 5,780,062,629,576,647 - Step 5: Solve for x
x = 5,780,062,629,576,647/84,465,508.05 - Step 6: Final answer
x = 68,431,040.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.