Finding the Fourth Proportional to 255,195,790.68, 382,861,806.98 and 91,450,099.63
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Solution
The fourth proportional to 255,195,790.68, 382,861,806.98 and 91,450,099.63 is: 137,199,560.77
Step by Step Solution
- Step 1: Write the proportion equation
255,195,790.68 : 382,861,806.98 = 91,450,099.63 : x - Step 2: Convert to fraction form
255,195,790.68/382,861,806.98 = 91,450,099.63/x - Step 3: Cross multiply
255,195,790.68x = 382,861,806.98 × 91,450,099.63 - Step 4: Simplify right side
255,195,790.68x = 35,012,750,392,207,324 - Step 5: Solve for x
x = 35,012,750,392,207,324/255,195,790.68 - Step 6: Final answer
x = 137,199,560.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.