Finding the Fourth Proportional to 93,831,049.04, 129,410,077.56 and 66,045,738.92
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Solution
The fourth proportional to 93,831,049.04, 129,410,077.56 and 66,045,738.92 is: 91,089,082.81
Step by Step Solution
- Step 1: Write the proportion equation
93,831,049.04 : 129,410,077.56 = 66,045,738.92 : x - Step 2: Convert to fraction form
93,831,049.04/129,410,077.56 = 66,045,738.92/x - Step 3: Cross multiply
93,831,049.04x = 129,410,077.56 × 66,045,738.92 - Step 4: Simplify right side
93,831,049.04x = 8,546,984,196,144,711 - Step 5: Solve for x
x = 8,546,984,196,144,711/93,831,049.04 - Step 6: Final answer
x = 91,089,082.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.