Finding the Fourth Proportional to 67,139,260.56, 92,646,879.84 and 37,764,745.02
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Solution
The fourth proportional to 67,139,260.56, 92,646,879.84 and 37,764,745.02 is: 52,112,367.11
Step by Step Solution
- Step 1: Write the proportion equation
67,139,260.56 : 92,646,879.84 = 37,764,745.02 : x - Step 2: Convert to fraction form
67,139,260.56/92,646,879.84 = 37,764,745.02/x - Step 3: Cross multiply
67,139,260.56x = 92,646,879.84 × 37,764,745.02 - Step 4: Simplify right side
67,139,260.56x = 3,498,785,794,056,179 - Step 5: Solve for x
x = 3,498,785,794,056,179/67,139,260.56 - Step 6: Final answer
x = 52,112,367.11
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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.