Finding the Fourth Proportional to 168,335,611.20, 232,463,571.84 and 159,164,764.08
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Solution
The fourth proportional to 168,335,611.20, 232,463,571.84 and 159,164,764.08 is: 219,799,062.75
Step by Step Solution
- Step 1: Write the proportion equation
168,335,611.20 : 232,463,571.84 = 159,164,764.08 : x - Step 2: Convert to fraction form
168,335,611.20/232,463,571.84 = 159,164,764.08/x - Step 3: Cross multiply
168,335,611.20x = 232,463,571.84 × 159,164,764.08 - Step 4: Simplify right side
168,335,611.20x = 37,000,009,569,107,736 - Step 5: Solve for x
x = 37,000,009,569,107,736/168,335,611.20 - Step 6: Final answer
x = 219,799,062.75
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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.