Finding the Fourth Proportional to 147,629,445.70, 221,444,168.55 and 38,454,405.70
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Solution
The fourth proportional to 147,629,445.70, 221,444,168.55 and 38,454,405.70 is: 57,681,608.55
Step by Step Solution
- Step 1: Write the proportion equation
147,629,445.70 : 221,444,168.55 = 38,454,405.70 : x - Step 2: Convert to fraction form
147,629,445.70/221,444,168.55 = 38,454,405.70/x - Step 3: Cross multiply
147,629,445.70x = 221,444,168.55 × 38,454,405.70 - Step 4: Simplify right side
147,629,445.70x = 8,515,503,897,320,882 - Step 5: Solve for x
x = 8,515,503,897,320,882/147,629,445.70 - Step 6: Final answer
x = 57,681,608.55
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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.