Finding the Fourth Proportional to 67,876,632.55, 93,716,615.96 and 63,540,073.99
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Solution
The fourth proportional to 67,876,632.55, 93,716,615.96 and 63,540,073.99 is: 87,729,171.12
Step by Step Solution
- Step 1: Write the proportion equation
67,876,632.55 : 93,716,615.96 = 63,540,073.99 : x - Step 2: Convert to fraction form
67,876,632.55/93,716,615.96 = 63,540,073.99/x - Step 3: Cross multiply
67,876,632.55x = 93,716,615.96 × 63,540,073.99 - Step 4: Simplify right side
67,876,632.55x = 5,954,760,712,190,815 - Step 5: Solve for x
x = 5,954,760,712,190,815/67,876,632.55 - Step 6: Final answer
x = 87,729,171.12
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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.