Finding the Fourth Proportional to 362,059,854.80, 543,089,782.20 and 89,430,621.80
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Solution
The fourth proportional to 362,059,854.80, 543,089,782.20 and 89,430,621.80 is: 134,145,932.70
Step by Step Solution
- Step 1: Write the proportion equation
362,059,854.80 : 543,089,782.20 = 89,430,621.80 : x - Step 2: Convert to fraction form
362,059,854.80/543,089,782.20 = 89,430,621.80/x - Step 3: Cross multiply
362,059,854.80x = 543,089,782.20 × 89,430,621.80 - Step 4: Simplify right side
362,059,854.80x = 48,568,856,915,372,576 - Step 5: Solve for x
x = 48,568,856,915,372,576/362,059,854.80 - Step 6: Final answer
x = 134,145,932.70
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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.