Finding the Fourth Proportional to 168,434,584.80, 252,651,877.20 and 96,770,968.80
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Solution
The fourth proportional to 168,434,584.80, 252,651,877.20 and 96,770,968.80 is: 145,156,453.20
Step by Step Solution
- Step 1: Write the proportion equation
168,434,584.80 : 252,651,877.20 = 96,770,968.80 : x - Step 2: Convert to fraction form
168,434,584.80/252,651,877.20 = 96,770,968.80/x - Step 3: Cross multiply
168,434,584.80x = 252,651,877.20 × 96,770,968.80 - Step 4: Simplify right side
168,434,584.80x = 24,449,366,925,782,628 - Step 5: Solve for x
x = 24,449,366,925,782,628/168,434,584.80 - Step 6: Final answer
x = 145,156,453.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.