Finding the Fourth Proportional to 159,797,761.46, 220,458,166.99 and 92,805,315.49
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Solution
The fourth proportional to 159,797,761.46, 220,458,166.99 and 92,805,315.49 is: 128,034,895.81
Step by Step Solution
- Step 1: Write the proportion equation
159,797,761.46 : 220,458,166.99 = 92,805,315.49 : x - Step 2: Convert to fraction form
159,797,761.46/220,458,166.99 = 92,805,315.49/x - Step 3: Cross multiply
159,797,761.46x = 220,458,166.99 × 92,805,315.49 - Step 4: Simplify right side
159,797,761.46x = 20,459,689,739,854,052 - Step 5: Solve for x
x = 20,459,689,739,854,052/159,797,761.46 - Step 6: Final answer
x = 128,034,895.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.