Finding the Fourth Proportional to 113,603,785.60, 170,306,145.60 and 68,183,651.20
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Solution
The fourth proportional to 113,603,785.60, 170,306,145.60 and 68,183,651.20 is: 102,215,738.39
Step by Step Solution
- Step 1: Write the proportion equation
113,603,785.60 : 170,306,145.60 = 68,183,651.20 : x - Step 2: Convert to fraction form
113,603,785.60/170,306,145.60 = 68,183,651.20/x - Step 3: Cross multiply
113,603,785.60x = 170,306,145.60 × 68,183,651.20 - Step 4: Simplify right side
113,603,785.60x = 11,612,094,828,806,814 - Step 5: Solve for x
x = 11,612,094,828,806,814/113,603,785.60 - Step 6: Final answer
x = 102,215,738.39
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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.