Finding the Fourth Proportional to 60,869,325.87, 91,246,834.25 and 20,451,544.11
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Solution
The fourth proportional to 60,869,325.87, 91,246,834.25 and 20,451,544.11 is: 30,658,112.75
Step by Step Solution
- Step 1: Write the proportion equation
60,869,325.87 : 91,246,834.25 = 20,451,544.11 : x - Step 2: Convert to fraction form
60,869,325.87/91,246,834.25 = 20,451,544.11/x - Step 3: Cross multiply
60,869,325.87x = 91,246,834.25 × 20,451,544.11 - Step 4: Simplify right side
60,869,325.87x = 1,866,138,655,459,476 - Step 5: Solve for x
x = 1,866,138,655,459,476/60,869,325.87 - Step 6: Final answer
x = 30,658,112.75
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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.