Finding the Fourth Proportional to 215,953,201.43, 324,111,476.40 and 202,332,934.49
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Solution
The fourth proportional to 215,953,201.43, 324,111,476.40 and 202,332,934.49 is: 303,669,617.71
Step by Step Solution
- Step 1: Write the proportion equation
215,953,201.43 : 324,111,476.40 = 202,332,934.49 : x - Step 2: Convert to fraction form
215,953,201.43/324,111,476.40 = 202,332,934.49/x - Step 3: Cross multiply
215,953,201.43x = 324,111,476.40 × 202,332,934.49 - Step 4: Simplify right side
215,953,201.43x = 65,578,426,121,898,376 - Step 5: Solve for x
x = 65,578,426,121,898,376/215,953,201.43 - Step 6: Final answer
x = 303,669,617.71
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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.