Finding the Fourth Proportional to 230,744,676.42, 318,376,749.20 and 136,612,083.02
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Solution
The fourth proportional to 230,744,676.42, 318,376,749.20 and 136,612,083.02 is: 188,494,536.76
Step by Step Solution
- Step 1: Write the proportion equation
230,744,676.42 : 318,376,749.20 = 136,612,083.02 : x - Step 2: Convert to fraction form
230,744,676.42/318,376,749.20 = 136,612,083.02/x - Step 3: Cross multiply
230,744,676.42x = 318,376,749.20 × 136,612,083.02 - Step 4: Simplify right side
230,744,676.42x = 43,494,110,891,073,168 - Step 5: Solve for x
x = 43,494,110,891,073,168/230,744,676.42 - Step 6: Final answer
x = 188,494,536.76
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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.