Finding the Fourth Proportional to 302,994,121.95, 454,425,212.07 and 81,660,295.98
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Solution
The fourth proportional to 302,994,121.95, 454,425,212.07 and 81,660,295.98 is: 122,472,664.09
Step by Step Solution
- Step 1: Write the proportion equation
302,994,121.95 : 454,425,212.07 = 81,660,295.98 : x - Step 2: Convert to fraction form
302,994,121.95/454,425,212.07 = 81,660,295.98/x - Step 3: Cross multiply
302,994,121.95x = 454,425,212.07 × 81,660,295.98 - Step 4: Simplify right side
302,994,121.95x = 37,108,497,318,410,472 - Step 5: Solve for x
x = 37,108,497,318,410,472/302,994,121.95 - Step 6: Final answer
x = 122,472,664.09
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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.