Finding the Fourth Proportional to 237,102,107.31, 327,204,782.35 and 129,809,639.81
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Solution
The fourth proportional to 237,102,107.31, 327,204,782.35 and 129,809,639.81 is: 179,139,424.04
Step by Step Solution
- Step 1: Write the proportion equation
237,102,107.31 : 327,204,782.35 = 129,809,639.81 : x - Step 2: Convert to fraction form
237,102,107.31/327,204,782.35 = 129,809,639.81/x - Step 3: Cross multiply
237,102,107.31x = 327,204,782.35 × 129,809,639.81 - Step 4: Simplify right side
237,102,107.31x = 42,474,334,941,456,440 - Step 5: Solve for x
x = 42,474,334,941,456,440/237,102,107.31 - Step 6: Final answer
x = 179,139,424.04
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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.