Finding the Fourth Proportional to 80,161,356.11, 110,589,790.59 and 48,774,243.02
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Solution
The fourth proportional to 80,161,356.11, 110,589,790.59 and 48,774,243.02 is: 67,288,448.99
Step by Step Solution
- Step 1: Write the proportion equation
80,161,356.11 : 110,589,790.59 = 48,774,243.02 : x - Step 2: Convert to fraction form
80,161,356.11/110,589,790.59 = 48,774,243.02/x - Step 3: Cross multiply
80,161,356.11x = 110,589,790.59 × 48,774,243.02 - Step 4: Simplify right side
80,161,356.11x = 5,393,933,321,214,620 - Step 5: Solve for x
x = 5,393,933,321,214,620/80,161,356.11 - Step 6: Final answer
x = 67,288,448.99
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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.