Finding the Fourth Proportional to 75,404,455.20, 113,001,230.80 and 40,786,093.12
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Solution
The fourth proportional to 75,404,455.20, 113,001,230.80 and 40,786,093.12 is: 61,122,100.94
Step by Step Solution
- Step 1: Write the proportion equation
75,404,455.20 : 113,001,230.80 = 40,786,093.12 : x - Step 2: Convert to fraction form
75,404,455.20/113,001,230.80 = 40,786,093.12/x - Step 3: Cross multiply
75,404,455.20x = 113,001,230.80 × 40,786,093.12 - Step 4: Simplify right side
75,404,455.20x = 4,608,878,722,083,412 - Step 5: Solve for x
x = 4,608,878,722,083,412/75,404,455.20 - Step 6: Final answer
x = 61,122,100.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.