Finding the Fourth Proportional to 78,840,902.44, 118,261,644.18 and 24,253,109.74
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Solution
The fourth proportional to 78,840,902.44, 118,261,644.18 and 24,253,109.74 is: 36,379,753.98
Step by Step Solution
- Step 1: Write the proportion equation
78,840,902.44 : 118,261,644.18 = 24,253,109.74 : x - Step 2: Convert to fraction form
78,840,902.44/118,261,644.18 = 24,253,109.74/x - Step 3: Cross multiply
78,840,902.44x = 118,261,644.18 × 24,253,109.74 - Step 4: Simplify right side
78,840,902.44x = 2,868,212,634,330,372.50 - Step 5: Solve for x
x = 2,868,212,634,330,372.50/78,840,902.44 - Step 6: Final answer
x = 36,379,753.98
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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.