Finding the Fourth Proportional to 118,086,079.22, 162,991,201.66 and 68,542,414.38
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Solution
The fourth proportional to 118,086,079.22, 162,991,201.66 and 68,542,414.38 is: 94,607,345.41
Step by Step Solution
- Step 1: Write the proportion equation
118,086,079.22 : 162,991,201.66 = 68,542,414.38 : x - Step 2: Convert to fraction form
118,086,079.22/162,991,201.66 = 68,542,414.38/x - Step 3: Cross multiply
118,086,079.22x = 162,991,201.66 × 68,542,414.38 - Step 4: Simplify right side
118,086,079.22x = 11,171,810,484,473,862 - Step 5: Solve for x
x = 11,171,810,484,473,862/118,086,079.22 - Step 6: Final answer
x = 94,607,345.41
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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.