Finding the Fourth Proportional to 95,929,806.20, 143,894,709.30 and 66,704,487.80
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Solution
The fourth proportional to 95,929,806.20, 143,894,709.30 and 66,704,487.80 is: 100,056,731.70
Step by Step Solution
- Step 1: Write the proportion equation
95,929,806.20 : 143,894,709.30 = 66,704,487.80 : x - Step 2: Convert to fraction form
95,929,806.20/143,894,709.30 = 66,704,487.80/x - Step 3: Cross multiply
95,929,806.20x = 143,894,709.30 × 66,704,487.80 - Step 4: Simplify right side
95,929,806.20x = 9,598,422,880,986,396 - Step 5: Solve for x
x = 9,598,422,880,986,396/95,929,806.20 - Step 6: Final answer
x = 100,056,731.70
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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.