Finding the Fourth Proportional to 220,163,386.48, 330,247,082.08 and 66,809,449.60
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Solution
The fourth proportional to 220,163,386.48, 330,247,082.08 and 66,809,449.60 is: 100,214,782.02
Step by Step Solution
- Step 1: Write the proportion equation
220,163,386.48 : 330,247,082.08 = 66,809,449.60 : x - Step 2: Convert to fraction form
220,163,386.48/330,247,082.08 = 66,809,449.60/x - Step 3: Cross multiply
220,163,386.48x = 330,247,082.08 × 66,809,449.60 - Step 4: Simplify right side
220,163,386.48x = 22,063,625,785,770,824 - Step 5: Solve for x
x = 22,063,625,785,770,824/220,163,386.48 - Step 6: Final answer
x = 100,214,782.02
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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.