Finding the Fourth Proportional to 90,204,245.04, 124,481,938.12 and 48,951,137.28
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Solution
The fourth proportional to 90,204,245.04, 124,481,938.12 and 48,951,137.28 is: 67,552,612.84
Step by Step Solution
- Step 1: Write the proportion equation
90,204,245.04 : 124,481,938.12 = 48,951,137.28 : x - Step 2: Convert to fraction form
90,204,245.04/124,481,938.12 = 48,951,137.28/x - Step 3: Cross multiply
90,204,245.04x = 124,481,938.12 × 48,951,137.28 - Step 4: Simplify right side
90,204,245.04x = 6,093,532,441,792,585 - Step 5: Solve for x
x = 6,093,532,441,792,585/90,204,245.04 - Step 6: Final answer
x = 67,552,612.84
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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.