Finding the Fourth Proportional to 121,618,563.92, 182,427,845.68 and 30,742,152.96
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Solution
The fourth proportional to 121,618,563.92, 182,427,845.68 and 30,742,152.96 is: 46,113,229.39
Step by Step Solution
- Step 1: Write the proportion equation
121,618,563.92 : 182,427,845.68 = 30,742,152.96 : x - Step 2: Convert to fraction form
121,618,563.92/182,427,845.68 = 30,742,152.96/x - Step 3: Cross multiply
121,618,563.92x = 182,427,845.68 × 30,742,152.96 - Step 4: Simplify right side
121,618,563.92x = 5,608,224,736,057,836 - Step 5: Solve for x
x = 5,608,224,736,057,836/121,618,563.92 - Step 6: Final answer
x = 46,113,229.39
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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.