Finding the Fourth Proportional to 48,388,542.80, 72,582,814.20 and 44,208,165.20
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Solution
The fourth proportional to 48,388,542.80, 72,582,814.20 and 44,208,165.20 is: 66,312,247.80
Step by Step Solution
- Step 1: Write the proportion equation
48,388,542.80 : 72,582,814.20 = 44,208,165.20 : x - Step 2: Convert to fraction form
48,388,542.80/72,582,814.20 = 44,208,165.20/x - Step 3: Cross multiply
48,388,542.80x = 72,582,814.20 × 44,208,165.20 - Step 4: Simplify right side
48,388,542.80x = 3,208,753,040,834,506 - Step 5: Solve for x
x = 3,208,753,040,834,506/48,388,542.80 - Step 6: Final answer
x = 66,312,247.80
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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.