Finding the Fourth Proportional to 107,839,151.20, 161,758,726.80 and 97,089,608.80
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Solution
The fourth proportional to 107,839,151.20, 161,758,726.80 and 97,089,608.80 is: 145,634,413.20
Step by Step Solution
- Step 1: Write the proportion equation
107,839,151.20 : 161,758,726.80 = 97,089,608.80 : x - Step 2: Convert to fraction form
107,839,151.20/161,758,726.80 = 97,089,608.80/x - Step 3: Cross multiply
107,839,151.20x = 161,758,726.80 × 97,089,608.80 - Step 4: Simplify right side
107,839,151.20x = 15,705,091,504,998,076 - Step 5: Solve for x
x = 15,705,091,504,998,076/107,839,151.20 - Step 6: Final answer
x = 145,634,413.20
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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.