Finding the Fourth Proportional to 53,952,807.70, 80,929,211.55 and 48,284,103.70
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Solution
The fourth proportional to 53,952,807.70, 80,929,211.55 and 48,284,103.70 is: 72,426,155.55
Step by Step Solution
- Step 1: Write the proportion equation
53,952,807.70 : 80,929,211.55 = 48,284,103.70 : x - Step 2: Convert to fraction form
53,952,807.70/80,929,211.55 = 48,284,103.70/x - Step 3: Cross multiply
53,952,807.70x = 80,929,211.55 × 48,284,103.70 - Step 4: Simplify right side
53,952,807.70x = 3,907,594,442,839,438 - Step 5: Solve for x
x = 3,907,594,442,839,438/53,952,807.70 - Step 6: Final answer
x = 72,426,155.55
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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.