Finding the Fourth Proportional to 129,476,363.60, 194,214,545.40 and 33,738,251.60
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Solution
The fourth proportional to 129,476,363.60, 194,214,545.40 and 33,738,251.60 is: 50,607,377.40
Step by Step Solution
- Step 1: Write the proportion equation
129,476,363.60 : 194,214,545.40 = 33,738,251.60 : x - Step 2: Convert to fraction form
129,476,363.60/194,214,545.40 = 33,738,251.60/x - Step 3: Cross multiply
129,476,363.60x = 194,214,545.40 × 33,738,251.60 - Step 4: Simplify right side
129,476,363.60x = 6,552,459,197,084,823 - Step 5: Solve for x
x = 6,552,459,197,084,823/129,476,363.60 - Step 6: Final answer
x = 50,607,377.40
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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.