Finding the Fourth Proportional to 173,731,299.84, 239,770,464.12 and 100,392,441.84
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Solution
The fourth proportional to 173,731,299.84, 239,770,464.12 and 100,392,441.84 is: 138,553,861.03
Step by Step Solution
- Step 1: Write the proportion equation
173,731,299.84 : 239,770,464.12 = 100,392,441.84 : x - Step 2: Convert to fraction form
173,731,299.84/239,770,464.12 = 100,392,441.84/x - Step 3: Cross multiply
173,731,299.84x = 239,770,464.12 × 100,392,441.84 - Step 4: Simplify right side
173,731,299.84x = 24,071,142,374,116,908 - Step 5: Solve for x
x = 24,071,142,374,116,908/173,731,299.84 - Step 6: Final answer
x = 138,553,861.03
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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.