Finding the Fourth Proportional to 108,787,549.92, 163,078,735.41 and 54,148,476.84
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Solution
The fourth proportional to 108,787,549.92, 163,078,735.41 and 54,148,476.84 is: 81,171,651.85
Step by Step Solution
- Step 1: Write the proportion equation
108,787,549.92 : 163,078,735.41 = 54,148,476.84 : x - Step 2: Convert to fraction form
108,787,549.92/163,078,735.41 = 54,148,476.84/x - Step 3: Cross multiply
108,787,549.92x = 163,078,735.41 × 54,148,476.84 - Step 4: Simplify right side
108,787,549.92x = 8,830,465,127,444,873 - Step 5: Solve for x
x = 8,830,465,127,444,873/108,787,549.92 - Step 6: Final answer
x = 81,171,651.85
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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.