Finding the Fourth Proportional to 170,415,462.40, 255,623,193.60 and 143,205,683.20
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Solution
The fourth proportional to 170,415,462.40, 255,623,193.60 and 143,205,683.20 is: 214,808,524.80
Step by Step Solution
- Step 1: Write the proportion equation
170,415,462.40 : 255,623,193.60 = 143,205,683.20 : x - Step 2: Convert to fraction form
170,415,462.40/255,623,193.60 = 143,205,683.20/x - Step 3: Cross multiply
170,415,462.40x = 255,623,193.60 × 143,205,683.20 - Step 4: Simplify right side
170,415,462.40x = 36,606,694,081,253,864 - Step 5: Solve for x
x = 36,606,694,081,253,864/170,415,462.40 - Step 6: Final answer
x = 214,808,524.80
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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.