Finding the Fourth Proportional to 54,699,442.75, 75,485,458.42 and 29,581,552.05
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Solution
The fourth proportional to 54,699,442.75, 75,485,458.42 and 29,581,552.05 is: 40,822,664.82
Step by Step Solution
- Step 1: Write the proportion equation
54,699,442.75 : 75,485,458.42 = 29,581,552.05 : x - Step 2: Convert to fraction form
54,699,442.75/75,485,458.42 = 29,581,552.05/x - Step 3: Cross multiply
54,699,442.75x = 75,485,458.42 × 29,581,552.05 - Step 4: Simplify right side
54,699,442.75x = 2,232,977,017,269,340.75 - Step 5: Solve for x
x = 2,232,977,017,269,340.75/54,699,442.75 - Step 6: Final answer
x = 40,822,664.82
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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.