Finding the Fourth Proportional to 231,122,884.68, 318,693,431.34 and 147,358,335.24
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Solution
The fourth proportional to 231,122,884.68, 318,693,431.34 and 147,358,335.24 is: 203,191,187.92
Step by Step Solution
- Step 1: Write the proportion equation
231,122,884.68 : 318,693,431.34 = 147,358,335.24 : x - Step 2: Convert to fraction form
231,122,884.68/318,693,431.34 = 147,358,335.24/x - Step 3: Cross multiply
231,122,884.68x = 318,693,431.34 × 147,358,335.24 - Step 4: Simplify right side
231,122,884.68x = 46,962,133,494,185,640 - Step 5: Solve for x
x = 46,962,133,494,185,640/231,122,884.68 - Step 6: Final answer
x = 203,191,187.92
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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.