Finding the Fourth Proportional to 74,887,628.40, 112,331,442.60 and 36,573,721.20
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Solution
The fourth proportional to 74,887,628.40, 112,331,442.60 and 36,573,721.20 is: 54,860,581.80
Step by Step Solution
- Step 1: Write the proportion equation
74,887,628.40 : 112,331,442.60 = 36,573,721.20 : x - Step 2: Convert to fraction form
74,887,628.40/112,331,442.60 = 36,573,721.20/x - Step 3: Cross multiply
74,887,628.40x = 112,331,442.60 × 36,573,721.20 - Step 4: Simplify right side
74,887,628.40x = 4,108,378,863,646,203 - Step 5: Solve for x
x = 4,108,378,863,646,203/74,887,628.40 - Step 6: Final answer
x = 54,860,581.80
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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.