Finding the Fourth Proportional to 195,783,611.80, 293,675,417.70 and 163,933,115.80
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Solution
The fourth proportional to 195,783,611.80, 293,675,417.70 and 163,933,115.80 is: 245,899,673.70
Step by Step Solution
- Step 1: Write the proportion equation
195,783,611.80 : 293,675,417.70 = 163,933,115.80 : x - Step 2: Convert to fraction form
195,783,611.80/293,675,417.70 = 163,933,115.80/x - Step 3: Cross multiply
195,783,611.80x = 293,675,417.70 × 163,933,115.80 - Step 4: Simplify right side
195,783,611.80x = 48,143,126,257,427,472 - Step 5: Solve for x
x = 48,143,126,257,427,472/195,783,611.80 - Step 6: Final answer
x = 245,899,673.70
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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.