Finding the Fourth Proportional to 42,738,471.20, 63,798,242 and 37,567,107.36
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Solution
The fourth proportional to 42,738,471.20, 63,798,242 and 37,567,107.36 is: 56,078,641.54
Step by Step Solution
- Step 1: Write the proportion equation
42,738,471.20 : 63,798,242 = 37,567,107.36 : x - Step 2: Convert to fraction form
42,738,471.20/63,798,242 = 37,567,107.36/x - Step 3: Cross multiply
42,738,471.20x = 63,798,242 × 37,567,107.36 - Step 4: Simplify right side
42,738,471.20x = 2,396,715,406,593,261 - Step 5: Solve for x
x = 2,396,715,406,593,261/42,738,471.20 - Step 6: Final answer
x = 56,078,641.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.