Finding the Fourth Proportional to 71,677,761.51, 107,486,747.79 and 22,480,939.74
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Solution
The fourth proportional to 71,677,761.51, 107,486,747.79 and 22,480,939.74 is: 33,712,033.54
Step by Step Solution
- Step 1: Write the proportion equation
71,677,761.51 : 107,486,747.79 = 22,480,939.74 : x - Step 2: Convert to fraction form
71,677,761.51/107,486,747.79 = 22,480,939.74/x - Step 3: Cross multiply
71,677,761.51x = 107,486,747.79 × 22,480,939.74 - Step 4: Simplify right side
71,677,761.51x = 2,416,403,099,915,568 - Step 5: Solve for x
x = 2,416,403,099,915,568/71,677,761.51 - Step 6: Final answer
x = 33,712,033.54
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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.