Finding the Fourth Proportional to 149,493,081.80, 224,239,622.70 and 68,714,049.80
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Solution
The fourth proportional to 149,493,081.80, 224,239,622.70 and 68,714,049.80 is: 103,071,074.70
Step by Step Solution
- Step 1: Write the proportion equation
149,493,081.80 : 224,239,622.70 = 68,714,049.80 : x - Step 2: Convert to fraction form
149,493,081.80/224,239,622.70 = 68,714,049.80/x - Step 3: Cross multiply
149,493,081.80x = 224,239,622.70 × 68,714,049.80 - Step 4: Simplify right side
149,493,081.80x = 15,408,412,601,341,008 - Step 5: Solve for x
x = 15,408,412,601,341,008/149,493,081.80 - Step 6: Final answer
x = 103,071,074.70
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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.