Finding the Fourth Proportional to 168,137,418.40, 252,204,626.77 and 53,121,956.63
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Solution
The fourth proportional to 168,137,418.40, 252,204,626.77 and 53,121,956.63 is: 79,682,460.76
Step by Step Solution
- Step 1: Write the proportion equation
168,137,418.40 : 252,204,626.77 = 53,121,956.63 : x - Step 2: Convert to fraction form
168,137,418.40/252,204,626.77 = 53,121,956.63/x - Step 3: Cross multiply
168,137,418.40x = 252,204,626.77 × 53,121,956.63 - Step 4: Simplify right side
168,137,418.40x = 13,397,603,243,767,450 - Step 5: Solve for x
x = 13,397,603,243,767,450/168,137,418.40 - Step 6: Final answer
x = 79,682,460.76
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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.