Finding the Fourth Proportional to 287,265,142.11, 430,958,238.36 and 93,161,422.14
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Solution
The fourth proportional to 287,265,142.11, 430,958,238.36 and 93,161,422.14 is: 139,761,761.81
Step by Step Solution
- Step 1: Write the proportion equation
287,265,142.11 : 430,958,238.36 = 93,161,422.14 : x - Step 2: Convert to fraction form
287,265,142.11/430,958,238.36 = 93,161,422.14/x - Step 3: Cross multiply
287,265,142.11x = 430,958,238.36 × 93,161,422.14 - Step 4: Simplify right side
287,265,142.11x = 40,148,682,368,566,704 - Step 5: Solve for x
x = 40,148,682,368,566,704/287,265,142.11 - Step 6: Final answer
x = 139,761,761.81
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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.