Finding the Fourth Proportional to 121,107,894.40, 181,689,660.28 and 34,847,015.68
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Solution
The fourth proportional to 121,107,894.40, 181,689,660.28 and 34,847,015.68 is: 52,278,527.94
Step by Step Solution
- Step 1: Write the proportion equation
121,107,894.40 : 181,689,660.28 = 34,847,015.68 : x - Step 2: Convert to fraction form
121,107,894.40/181,689,660.28 = 34,847,015.68/x - Step 3: Cross multiply
121,107,894.40x = 181,689,660.28 × 34,847,015.68 - Step 4: Simplify right side
121,107,894.40x = 6,331,342,440,671,033 - Step 5: Solve for x
x = 6,331,342,440,671,033/121,107,894.40 - Step 6: Final answer
x = 52,278,527.94
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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.