Finding the Fourth Proportional to 174,089,921.16, 261,125,431.68 and 52,911,925.32
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Solution
The fourth proportional to 174,089,921.16, 261,125,431.68 and 52,911,925.32 is: 79,365,015.78
Step by Step Solution
- Step 1: Write the proportion equation
174,089,921.16 : 261,125,431.68 = 52,911,925.32 : x - Step 2: Convert to fraction form
174,089,921.16/261,125,431.68 = 52,911,925.32/x - Step 3: Cross multiply
174,089,921.16x = 261,125,431.68 × 52,911,925.32 - Step 4: Simplify right side
174,089,921.16x = 13,816,649,340,204,922 - Step 5: Solve for x
x = 13,816,649,340,204,922/174,089,921.16 - Step 6: Final answer
x = 79,365,015.78
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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.