Finding the Fourth Proportional to 87,793,943.34, 121,146,812.18 and 48,628,402.40
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Solution
The fourth proportional to 87,793,943.34, 121,146,812.18 and 48,628,402.40 is: 67,102,304.64
Step by Step Solution
- Step 1: Write the proportion equation
87,793,943.34 : 121,146,812.18 = 48,628,402.40 : x - Step 2: Convert to fraction form
87,793,943.34/121,146,812.18 = 48,628,402.40/x - Step 3: Cross multiply
87,793,943.34x = 121,146,812.18 × 48,628,402.40 - Step 4: Simplify right side
87,793,943.34x = 5,891,175,931,317,385 - Step 5: Solve for x
x = 5,891,175,931,317,385/87,793,943.34 - Step 6: Final answer
x = 67,102,304.64
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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.