Finding the Fourth Proportional to 81,057,954.21, 121,594,405.81 and 26,470,825.82
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Solution
The fourth proportional to 81,057,954.21, 121,594,405.81 and 26,470,825.82 is: 39,708,679.65
Step by Step Solution
- Step 1: Write the proportion equation
81,057,954.21 : 121,594,405.81 = 26,470,825.82 : x - Step 2: Convert to fraction form
81,057,954.21/121,594,405.81 = 26,470,825.82/x - Step 3: Cross multiply
81,057,954.21x = 121,594,405.81 × 26,470,825.82 - Step 4: Simplify right side
81,057,954.21x = 3,218,704,336,882,906 - Step 5: Solve for x
x = 3,218,704,336,882,906/81,057,954.21 - Step 6: Final answer
x = 39,708,679.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.