Finding the Fourth Proportional to 199,611,152.42, 298,171,960.79 and 147,896,759.79
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Solution
The fourth proportional to 199,611,152.42, 298,171,960.79 and 147,896,759.79 is: 220,922,860.91
Step by Step Solution
- Step 1: Write the proportion equation
199,611,152.42 : 298,171,960.79 = 147,896,759.79 : x - Step 2: Convert to fraction form
199,611,152.42/298,171,960.79 = 147,896,759.79/x - Step 3: Cross multiply
199,611,152.42x = 298,171,960.79 × 147,896,759.79 - Step 4: Simplify right side
199,611,152.42x = 44,098,666,860,332,448 - Step 5: Solve for x
x = 44,098,666,860,332,448/199,611,152.42 - Step 6: Final answer
x = 220,922,860.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.