Finding the Fourth Proportional to 172,214,489.75, 258,442,787.27 and 155,749,120.79
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Solution
The fourth proportional to 172,214,489.75, 258,442,787.27 and 155,749,120.79 is: 233,733,160.02
Step by Step Solution
- Step 1: Write the proportion equation
172,214,489.75 : 258,442,787.27 = 155,749,120.79 : x - Step 2: Convert to fraction form
172,214,489.75/258,442,787.27 = 155,749,120.79/x - Step 3: Cross multiply
172,214,489.75x = 258,442,787.27 × 155,749,120.79 - Step 4: Simplify right side
172,214,489.75x = 40,252,236,891,040,752 - Step 5: Solve for x
x = 40,252,236,891,040,752/172,214,489.75 - Step 6: Final answer
x = 233,733,160.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.