Finding the Fourth Proportional to 259,069,619.20, 388,355,596.80 and 149,782,604.80
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Solution
The fourth proportional to 259,069,619.20, 388,355,596.80 and 149,782,604.80 is: 224,530,043.53
Step by Step Solution
- Step 1: Write the proportion equation
259,069,619.20 : 388,355,596.80 = 149,782,604.80 : x - Step 2: Convert to fraction form
259,069,619.20/388,355,596.80 = 149,782,604.80/x - Step 3: Cross multiply
259,069,619.20x = 388,355,596.80 × 149,782,604.80 - Step 4: Simplify right side
259,069,619.20x = 58,168,912,877,362,552 - Step 5: Solve for x
x = 58,168,912,877,362,552/259,069,619.20 - Step 6: Final answer
x = 224,530,043.53
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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.