Finding the Fourth Proportional to 136,625,618.16, 188,540,119.80 and 74,746,465.20
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Solution
The fourth proportional to 136,625,618.16, 188,540,119.80 and 74,746,465.20 is: 103,148,353.09
Step by Step Solution
- Step 1: Write the proportion equation
136,625,618.16 : 188,540,119.80 = 74,746,465.20 : x - Step 2: Convert to fraction form
136,625,618.16/188,540,119.80 = 74,746,465.20/x - Step 3: Cross multiply
136,625,618.16x = 188,540,119.80 × 74,746,465.20 - Step 4: Simplify right side
136,625,618.16x = 14,092,707,503,434,532 - Step 5: Solve for x
x = 14,092,707,503,434,532/136,625,618.16 - Step 6: Final answer
x = 103,148,353.09
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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.