Finding the Fourth Proportional to 186,119,938.80, 279,305,879.40 and 83,831,324.40
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Solution
The fourth proportional to 186,119,938.80, 279,305,879.40 and 83,831,324.40 is: 125,803,725.99
Step by Step Solution
- Step 1: Write the proportion equation
186,119,938.80 : 279,305,879.40 = 83,831,324.40 : x - Step 2: Convert to fraction form
186,119,938.80/279,305,879.40 = 83,831,324.40/x - Step 3: Cross multiply
186,119,938.80x = 279,305,879.40 × 83,831,324.40 - Step 4: Simplify right side
186,119,938.80x = 23,414,581,782,808,676 - Step 5: Solve for x
x = 23,414,581,782,808,676/186,119,938.80 - Step 6: Final answer
x = 125,803,725.99
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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.