Finding the Fourth Proportional to 218,272,065.30, 327,408,097.95 and 149,397,311.70
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Solution
The fourth proportional to 218,272,065.30, 327,408,097.95 and 149,397,311.70 is: 224,095,967.55
Step by Step Solution
- Step 1: Write the proportion equation
218,272,065.30 : 327,408,097.95 = 149,397,311.70 : x - Step 2: Convert to fraction form
218,272,065.30/327,408,097.95 = 149,397,311.70/x - Step 3: Cross multiply
218,272,065.30x = 327,408,097.95 × 149,397,311.70 - Step 4: Simplify right side
218,272,065.30x = 48,913,889,662,540,272 - Step 5: Solve for x
x = 48,913,889,662,540,272/218,272,065.30 - Step 6: Final answer
x = 224,095,967.55
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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.