Finding the Fourth Proportional to 220,749,205.73, 331,125,062.16 and 56,975,766.68
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Solution
The fourth proportional to 220,749,205.73, 331,125,062.16 and 56,975,766.68 is: 85,463,973.56
Step by Step Solution
- Step 1: Write the proportion equation
220,749,205.73 : 331,125,062.16 = 56,975,766.68 : x - Step 2: Convert to fraction form
220,749,205.73/331,125,062.16 = 56,975,766.68/x - Step 3: Cross multiply
220,749,205.73x = 331,125,062.16 × 56,975,766.68 - Step 4: Simplify right side
220,749,205.73x = 18,866,104,281,873,032 - Step 5: Solve for x
x = 18,866,104,281,873,032/220,749,205.73 - Step 6: Final answer
x = 85,463,973.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.