Finding the Fourth Proportional to 134,784,048.20, 202,176,072.30 and 80,364,489.80
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Solution
The fourth proportional to 134,784,048.20, 202,176,072.30 and 80,364,489.80 is: 120,546,734.70
Step by Step Solution
- Step 1: Write the proportion equation
134,784,048.20 : 202,176,072.30 = 80,364,489.80 : x - Step 2: Convert to fraction form
134,784,048.20/202,176,072.30 = 80,364,489.80/x - Step 3: Cross multiply
134,784,048.20x = 202,176,072.30 × 80,364,489.80 - Step 4: Simplify right side
134,784,048.20x = 16,247,776,900,157,412 - Step 5: Solve for x
x = 16,247,776,900,157,412/134,784,048.20 - Step 6: Final answer
x = 120,546,734.70
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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.