Finding the Fourth Proportional to 324,831,737.80, 487,247,606.70 and 161,094,765.70
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Solution
The fourth proportional to 324,831,737.80, 487,247,606.70 and 161,094,765.70 is: 241,642,148.55
Step by Step Solution
- Step 1: Write the proportion equation
324,831,737.80 : 487,247,606.70 = 161,094,765.70 : x - Step 2: Convert to fraction form
324,831,737.80/487,247,606.70 = 161,094,765.70/x - Step 3: Cross multiply
324,831,737.80x = 487,247,606.70 × 161,094,765.70 - Step 4: Simplify right side
324,831,737.80x = 78,493,039,039,222,240 - Step 5: Solve for x
x = 78,493,039,039,222,240/324,831,737.80 - Step 6: Final answer
x = 241,642,148.55
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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.