Finding the Fourth Proportional to 201,801,578.80, 278,486,168.08 and 108,982,077.70
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Solution
The fourth proportional to 201,801,578.80, 278,486,168.08 and 108,982,077.70 is: 150,395,261.46
Step by Step Solution
- Step 1: Write the proportion equation
201,801,578.80 : 278,486,168.08 = 108,982,077.70 : x - Step 2: Convert to fraction form
201,801,578.80/278,486,168.08 = 108,982,077.70/x - Step 3: Cross multiply
201,801,578.80x = 278,486,168.08 × 108,982,077.70 - Step 4: Simplify right side
201,801,578.80x = 30,350,001,206,677,384 - Step 5: Solve for x
x = 30,350,001,206,677,384/201,801,578.80 - Step 6: Final answer
x = 150,395,261.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.