Finding the Fourth Proportional to 66,429,455.20, 99,662,845.20 and 32,351,912.80
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Solution
The fourth proportional to 66,429,455.20, 99,662,845.20 and 32,351,912.80 is: 48,536,958.00
Step by Step Solution
- Step 1: Write the proportion equation
66,429,455.20 : 99,662,845.20 = 32,351,912.80 : x - Step 2: Convert to fraction form
66,429,455.20/99,662,845.20 = 32,351,912.80/x - Step 3: Cross multiply
66,429,455.20x = 99,662,845.20 × 32,351,912.80 - Step 4: Simplify right side
66,429,455.20x = 3,224,283,677,310,298.50 - Step 5: Solve for x
x = 3,224,283,677,310,298.50/66,429,455.20 - Step 6: Final answer
x = 48,536,958.00
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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.