Finding the Fourth Proportional to 67,382,271.79, 92,987,535.21 and 36,442,441.07
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Solution
The fourth proportional to 67,382,271.79, 92,987,535.21 and 36,442,441.07 is: 50,290,568.75
Step by Step Solution
- Step 1: Write the proportion equation
67,382,271.79 : 92,987,535.21 = 36,442,441.07 : x - Step 2: Convert to fraction form
67,382,271.79/92,987,535.21 = 36,442,441.07/x - Step 3: Cross multiply
67,382,271.79x = 92,987,535.21 × 36,442,441.07 - Step 4: Simplify right side
67,382,271.79x = 3,388,692,771,670,037 - Step 5: Solve for x
x = 3,388,692,771,670,037/67,382,271.79 - Step 6: Final answer
x = 50,290,568.75
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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.