Finding the Fourth Proportional to 154,857,827.44, 232,286,741.12 and 57,821,113.10
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Solution
The fourth proportional to 154,857,827.44, 232,286,741.12 and 57,821,113.10 is: 86,731,669.64
Step by Step Solution
- Step 1: Write the proportion equation
154,857,827.44 : 232,286,741.12 = 57,821,113.10 : x - Step 2: Convert to fraction form
154,857,827.44/232,286,741.12 = 57,821,113.10/x - Step 3: Cross multiply
154,857,827.44x = 232,286,741.12 × 57,821,113.10 - Step 4: Simplify right side
154,857,827.44x = 13,431,077,929,929,942 - Step 5: Solve for x
x = 13,431,077,929,929,942/154,857,827.44 - Step 6: Final answer
x = 86,731,669.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.