Finding the Fourth Proportional to 100,903,860.70, 151,355,791.05 and 88,149,276.70
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Solution
The fourth proportional to 100,903,860.70, 151,355,791.05 and 88,149,276.70 is: 132,223,915.05
Step by Step Solution
- Step 1: Write the proportion equation
100,903,860.70 : 151,355,791.05 = 88,149,276.70 : x - Step 2: Convert to fraction form
100,903,860.70/151,355,791.05 = 88,149,276.70/x - Step 3: Cross multiply
100,903,860.70x = 151,355,791.05 × 88,149,276.70 - Step 4: Simplify right side
100,903,860.70x = 13,341,903,505,413,836 - Step 5: Solve for x
x = 13,341,903,505,413,836/100,903,860.70 - Step 6: Final answer
x = 132,223,915.05
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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.