Finding the Fourth Proportional to 195,761,740.37, 270,158,139.74 and 107,662,551.66
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Solution
The fourth proportional to 195,761,740.37, 270,158,139.74 and 107,662,551.66 is: 148,578,136.99
Step by Step Solution
- Step 1: Write the proportion equation
195,761,740.37 : 270,158,139.74 = 107,662,551.66 : x - Step 2: Convert to fraction form
195,761,740.37/270,158,139.74 = 107,662,551.66/x - Step 3: Cross multiply
195,761,740.37x = 270,158,139.74 × 107,662,551.66 - Step 4: Simplify right side
195,761,740.37x = 29,085,914,676,396,404 - Step 5: Solve for x
x = 29,085,914,676,396,404/195,761,740.37 - Step 6: Final answer
x = 148,578,136.99
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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.