Finding the Fourth Proportional to 199,587,715.80, 299,157,624.90 and 113,367,427.80
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Solution
The fourth proportional to 199,587,715.80, 299,157,624.90 and 113,367,427.80 is: 169,923,936.98
Step by Step Solution
- Step 1: Write the proportion equation
199,587,715.80 : 299,157,624.90 = 113,367,427.80 : x - Step 2: Convert to fraction form
199,587,715.80/299,157,624.90 = 113,367,427.80/x - Step 3: Cross multiply
199,587,715.80x = 299,157,624.90 × 113,367,427.80 - Step 4: Simplify right side
199,587,715.80x = 33,914,730,441,670,228 - Step 5: Solve for x
x = 33,914,730,441,670,228/199,587,715.80 - Step 6: Final answer
x = 169,923,936.98
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1.5x scale
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.