Finding the Fourth Proportional to 107,811,005.80, 161,716,508.70 and 50,415,377.80
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Solution
The fourth proportional to 107,811,005.80, 161,716,508.70 and 50,415,377.80 is: 75,623,066.70
Step by Step Solution
- Step 1: Write the proportion equation
107,811,005.80 : 161,716,508.70 = 50,415,377.80 : x - Step 2: Convert to fraction form
107,811,005.80/161,716,508.70 = 50,415,377.80/x - Step 3: Cross multiply
107,811,005.80x = 161,716,508.70 × 50,415,377.80 - Step 4: Simplify right side
107,811,005.80x = 8,152,998,882,607,486 - Step 5: Solve for x
x = 8,152,998,882,607,486/107,811,005.80 - Step 6: Final answer
x = 75,623,066.70
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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.