Finding the Fourth Proportional to 320,994,604.97, 481,340,124.90 and 124,350,121.11
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Solution
The fourth proportional to 320,994,604.97, 481,340,124.90 and 124,350,121.11 is: 186,466,382.61
Step by Step Solution
- Step 1: Write the proportion equation
320,994,604.97 : 481,340,124.90 = 124,350,121.11 : x - Step 2: Convert to fraction form
320,994,604.97/481,340,124.90 = 124,350,121.11/x - Step 3: Cross multiply
320,994,604.97x = 481,340,124.90 × 124,350,121.11 - Step 4: Simplify right side
320,994,604.97x = 59,854,702,826,417,520 - Step 5: Solve for x
x = 59,854,702,826,417,520/320,994,604.97 - Step 6: Final answer
x = 186,466,382.61
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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.