Finding the Fourth Proportional to 237,856,721.42, 328,383,003.68 and 149,826,177.02
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Solution
The fourth proportional to 237,856,721.42, 328,383,003.68 and 149,826,177.02 is: 206,848,769.07
Step by Step Solution
- Step 1: Write the proportion equation
237,856,721.42 : 328,383,003.68 = 149,826,177.02 : x - Step 2: Convert to fraction form
237,856,721.42/328,383,003.68 = 149,826,177.02/x - Step 3: Cross multiply
237,856,721.42x = 328,383,003.68 × 149,826,177.02 - Step 4: Simplify right side
237,856,721.42x = 49,200,370,039,719,000 - Step 5: Solve for x
x = 49,200,370,039,719,000/237,856,721.42 - Step 6: Final answer
x = 206,848,769.07
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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.