Finding the Fourth Proportional to 66,415,433.20, 99,641,812.20 and 32,337,890.80
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Solution
The fourth proportional to 66,415,433.20, 99,641,812.20 and 32,337,890.80 is: 48,515,922.98
Step by Step Solution
- Step 1: Write the proportion equation
66,415,433.20 : 99,641,812.20 = 32,337,890.80 : x - Step 2: Convert to fraction form
66,415,433.20/99,641,812.20 = 32,337,890.80/x - Step 3: Cross multiply
66,415,433.20x = 99,641,812.20 × 32,337,890.80 - Step 4: Simplify right side
66,415,433.20x = 3,222,206,042,037,708 - Step 5: Solve for x
x = 3,222,206,042,037,708/66,415,433.20 - Step 6: Final answer
x = 48,515,922.98
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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.