Finding the Fourth Proportional to 172,542,230.29, 258,941,886.42 and 126,602,810.02
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Solution
The fourth proportional to 172,542,230.29, 258,941,886.42 and 126,602,810.02 is: 189,998,531.94
Step by Step Solution
- Step 1: Write the proportion equation
172,542,230.29 : 258,941,886.42 = 126,602,810.02 : x - Step 2: Convert to fraction form
172,542,230.29/258,941,886.42 = 126,602,810.02/x - Step 3: Cross multiply
172,542,230.29x = 258,941,886.42 × 126,602,810.02 - Step 4: Simplify right side
172,542,230.29x = 32,782,770,451,356,968 - Step 5: Solve for x
x = 32,782,770,451,356,968/172,542,230.29 - Step 6: Final answer
x = 189,998,531.94
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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.