Finding the Fourth Proportional to 81,302,409.20, 112,199,302.73 and 44,134,212.98
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Solution
The fourth proportional to 81,302,409.20, 112,199,302.73 and 44,134,212.98 is: 60,906,287.67
Step by Step Solution
- Step 1: Write the proportion equation
81,302,409.20 : 112,199,302.73 = 44,134,212.98 : x - Step 2: Convert to fraction form
81,302,409.20/112,199,302.73 = 44,134,212.98/x - Step 3: Cross multiply
81,302,409.20x = 112,199,302.73 × 44,134,212.98 - Step 4: Simplify right side
81,302,409.20x = 4,951,827,922,404,994 - Step 5: Solve for x
x = 4,951,827,922,404,994/81,302,409.20 - Step 6: Final answer
x = 60,906,287.67
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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.