Finding the Fourth Proportional to 154,591,353.60, 213,336,511.36 and 88,512,865.92
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Solution
The fourth proportional to 154,591,353.60, 213,336,511.36 and 88,512,865.92 is: 122,148,008.84
Step by Step Solution
- Step 1: Write the proportion equation
154,591,353.60 : 213,336,511.36 = 88,512,865.92 : x - Step 2: Convert to fraction form
154,591,353.60/213,336,511.36 = 88,512,865.92/x - Step 3: Cross multiply
154,591,353.60x = 213,336,511.36 × 88,512,865.92 - Step 4: Simplify right side
154,591,353.60x = 18,883,026,025,848,240 - Step 5: Solve for x
x = 18,883,026,025,848,240/154,591,353.60 - Step 6: Final answer
x = 122,148,008.84
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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.