Finding the Fourth Proportional to 134,469,961.20, 201,704,941.80 and 133,462,191.60
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Solution
The fourth proportional to 134,469,961.20, 201,704,941.80 and 133,462,191.60 is: 200,193,287.40
Step by Step Solution
- Step 1: Write the proportion equation
134,469,961.20 : 201,704,941.80 = 133,462,191.60 : x - Step 2: Convert to fraction form
134,469,961.20/201,704,941.80 = 133,462,191.60/x - Step 3: Cross multiply
134,469,961.20x = 201,704,941.80 × 133,462,191.60 - Step 4: Simplify right side
134,469,961.20x = 26,919,983,589,178,448 - Step 5: Solve for x
x = 26,919,983,589,178,448/134,469,961.20 - Step 6: Final answer
x = 200,193,287.40
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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.