Finding the Fourth Proportional to 172,375,512.96, 258,519,032.64 and 51,178,846.08
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Solution
The fourth proportional to 172,375,512.96, 258,519,032.64 and 51,178,846.08 is: 76,755,135.07
Step by Step Solution
- Step 1: Write the proportion equation
172,375,512.96 : 258,519,032.64 = 51,178,846.08 : x - Step 2: Convert to fraction form
172,375,512.96/258,519,032.64 = 51,178,846.08/x - Step 3: Cross multiply
172,375,512.96x = 258,519,032.64 × 51,178,846.08 - Step 4: Simplify right side
172,375,512.96x = 13,230,705,780,233,054 - Step 5: Solve for x
x = 13,230,705,780,233,054/172,375,512.96 - Step 6: Final answer
x = 76,755,135.07
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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.