Finding the Fourth Proportional to 168,335,891.18, 232,463,968.44 and 159,165,056.60
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Solution
The fourth proportional to 168,335,891.18, 232,463,968.44 and 159,165,056.60 is: 219,799,476.12
Step by Step Solution
- Step 1: Write the proportion equation
168,335,891.18 : 232,463,968.44 = 159,165,056.60 : x - Step 2: Convert to fraction form
168,335,891.18/232,463,968.44 = 159,165,056.60/x - Step 3: Cross multiply
168,335,891.18x = 232,463,968.44 × 159,165,056.60 - Step 4: Simplify right side
168,335,891.18x = 37,000,140,694,213,208 - Step 5: Solve for x
x = 37,000,140,694,213,208/168,335,891.18 - Step 6: Final answer
x = 219,799,476.12
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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.