Finding the Fourth Proportional to 251,279,632.40, 376,639,512.60 and 97,874,704.40
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Solution
The fourth proportional to 251,279,632.40, 376,639,512.60 and 97,874,704.40 is: 146,703,020.09
Step by Step Solution
- Step 1: Write the proportion equation
251,279,632.40 : 376,639,512.60 = 97,874,704.40 : x - Step 2: Convert to fraction form
251,279,632.40/376,639,512.60 = 97,874,704.40/x - Step 3: Cross multiply
251,279,632.40x = 376,639,512.60 × 97,874,704.40 - Step 4: Simplify right side
251,279,632.40x = 36,863,480,961,085,080 - Step 5: Solve for x
x = 36,863,480,961,085,080/251,279,632.40 - Step 6: Final answer
x = 146,703,020.09
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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.