Finding the Fourth Proportional to 154,989,217.62, 213,900,243.21 and 115,762,966.92
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Solution
The fourth proportional to 154,989,217.62, 213,900,243.21 and 115,762,966.92 is: 159,764,189.79
Step by Step Solution
- Step 1: Write the proportion equation
154,989,217.62 : 213,900,243.21 = 115,762,966.92 : x - Step 2: Convert to fraction form
154,989,217.62/213,900,243.21 = 115,762,966.92/x - Step 3: Cross multiply
154,989,217.62x = 213,900,243.21 × 115,762,966.92 - Step 4: Simplify right side
154,989,217.62x = 24,761,726,778,899,184 - Step 5: Solve for x
x = 24,761,726,778,899,184/154,989,217.62 - Step 6: Final answer
x = 159,764,189.79
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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.