Finding the Fourth Proportional to 81,174,811.92, 112,022,340.90 and 44,505,304.08
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Solution
The fourth proportional to 81,174,811.92, 112,022,340.90 and 44,505,304.08 is: 61,417,922.97
Step by Step Solution
- Step 1: Write the proportion equation
81,174,811.92 : 112,022,340.90 = 44,505,304.08 : x - Step 2: Convert to fraction form
81,174,811.92/112,022,340.90 = 44,505,304.08/x - Step 3: Cross multiply
81,174,811.92x = 112,022,340.90 × 44,505,304.08 - Step 4: Simplify right side
81,174,811.92x = 4,985,588,345,507,921 - Step 5: Solve for x
x = 4,985,588,345,507,921/81,174,811.92 - Step 6: Final answer
x = 61,417,922.97
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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.