Finding the Fourth Proportional to 65,996,734.44, 90,752,453.56 and 57,279,726.68
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Solution
The fourth proportional to 65,996,734.44, 90,752,453.56 and 57,279,726.68 is: 78,765,650.75
Step by Step Solution
- Step 1: Write the proportion equation
65,996,734.44 : 90,752,453.56 = 57,279,726.68 : x - Step 2: Convert to fraction form
65,996,734.44/90,752,453.56 = 57,279,726.68/x - Step 3: Cross multiply
65,996,734.44x = 90,752,453.56 × 57,279,726.68 - Step 4: Simplify right side
65,996,734.44x = 5,198,275,735,456,193 - Step 5: Solve for x
x = 5,198,275,735,456,193/65,996,734.44 - Step 6: Final answer
x = 78,765,650.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.