Finding the Fourth Proportional to 314,887,220.30, 472,397,185.65 and 133,040,794.70
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Solution
The fourth proportional to 314,887,220.30, 472,397,185.65 and 133,040,794.70 is: 199,589,227.32
Step by Step Solution
- Step 1: Write the proportion equation
314,887,220.30 : 472,397,185.65 = 133,040,794.70 : x - Step 2: Convert to fraction form
314,887,220.30/472,397,185.65 = 133,040,794.70/x - Step 3: Cross multiply
314,887,220.30x = 472,397,185.65 × 133,040,794.70 - Step 4: Simplify right side
314,887,220.30x = 62,848,096,992,919,432 - Step 5: Solve for x
x = 62,848,096,992,919,432/314,887,220.30 - Step 6: Final answer
x = 199,589,227.32
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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.