Finding the Fourth Proportional to 88,960,220.44, 122,761,517.34 and 51,791,570.38
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Solution
The fourth proportional to 88,960,220.44, 122,761,517.34 and 51,791,570.38 is: 71,470,278.89
Step by Step Solution
- Step 1: Write the proportion equation
88,960,220.44 : 122,761,517.34 = 51,791,570.38 : x - Step 2: Convert to fraction form
88,960,220.44/122,761,517.34 = 51,791,570.38/x - Step 3: Cross multiply
88,960,220.44x = 122,761,517.34 × 51,791,570.38 - Step 4: Simplify right side
88,960,220.44x = 6,358,011,765,270,201 - Step 5: Solve for x
x = 6,358,011,765,270,201/88,960,220.44 - Step 6: Final answer
x = 71,470,278.89
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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.