Finding the Fourth Proportional to 121,569,505.70, 182,354,258.55 and 36,468,961.70
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Solution
The fourth proportional to 121,569,505.70, 182,354,258.55 and 36,468,961.70 is: 54,703,442.55
Step by Step Solution
- Step 1: Write the proportion equation
121,569,505.70 : 182,354,258.55 = 36,468,961.70 : x - Step 2: Convert to fraction form
121,569,505.70/182,354,258.55 = 36,468,961.70/x - Step 3: Cross multiply
121,569,505.70x = 182,354,258.55 × 36,468,961.70 - Step 4: Simplify right side
121,569,505.70x = 6,650,270,470,891,849 - Step 5: Solve for x
x = 6,650,270,470,891,849/121,569,505.70 - Step 6: Final answer
x = 54,703,442.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.