Finding the Fourth Proportional to 128,089,838.88, 192,177,273.60 and 41,831,059.68
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Solution
The fourth proportional to 128,089,838.88, 192,177,273.60 and 41,831,059.68 is: 62,760,473.99
Step by Step Solution
- Step 1: Write the proportion equation
128,089,838.88 : 192,177,273.60 = 41,831,059.68 : x - Step 2: Convert to fraction form
128,089,838.88/192,177,273.60 = 41,831,059.68/x - Step 3: Cross multiply
128,089,838.88x = 192,177,273.60 × 41,831,059.68 - Step 4: Simplify right side
128,089,838.88x = 8,038,979,001,101,288 - Step 5: Solve for x
x = 8,038,979,001,101,288/128,089,838.88 - Step 6: Final answer
x = 62,760,473.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.