Finding the Fourth Proportional to 87,793,943.09, 121,146,811.83 and 48,628,402.15
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Solution
The fourth proportional to 87,793,943.09, 121,146,811.83 and 48,628,402.15 is: 67,102,304.29
Step by Step Solution
- Step 1: Write the proportion equation
87,793,943.09 : 121,146,811.83 = 48,628,402.15 : x - Step 2: Convert to fraction form
87,793,943.09/121,146,811.83 = 48,628,402.15/x - Step 3: Cross multiply
87,793,943.09x = 121,146,811.83 × 48,628,402.15 - Step 4: Simplify right side
87,793,943.09x = 5,891,175,884,253,884 - Step 5: Solve for x
x = 5,891,175,884,253,884/87,793,943.09 - Step 6: Final answer
x = 67,102,304.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.