Finding the Fourth Proportional to 220,161,163.40, 330,240,432.90 and 56,398,603.40
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Solution
The fourth proportional to 220,161,163.40, 330,240,432.90 and 56,398,603.40 is: 84,597,568.95
Step by Step Solution
- Step 1: Write the proportion equation
220,161,163.40 : 330,240,432.90 = 56,398,603.40 : x - Step 2: Convert to fraction form
220,161,163.40/330,240,432.90 = 56,398,603.40/x - Step 3: Cross multiply
220,161,163.40x = 330,240,432.90 × 56,398,603.40 - Step 4: Simplify right side
220,161,163.40x = 18,625,099,201,771,412 - Step 5: Solve for x
x = 18,625,099,201,771,412/220,161,163.40 - Step 6: Final answer
x = 84,597,568.95
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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.