Finding the Fourth Proportional to 53,998,428.70, 80,997,643.05 and 16,175,964.70
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Solution
The fourth proportional to 53,998,428.70, 80,997,643.05 and 16,175,964.70 is: 24,263,947.05
Step by Step Solution
- Step 1: Write the proportion equation
53,998,428.70 : 80,997,643.05 = 16,175,964.70 : x - Step 2: Convert to fraction form
53,998,428.70/80,997,643.05 = 16,175,964.70/x - Step 3: Cross multiply
53,998,428.70x = 80,997,643.05 × 16,175,964.70 - Step 4: Simplify right side
53,998,428.70x = 1,310,215,014,760,000.25 - Step 5: Solve for x
x = 1,310,215,014,760,000.25/53,998,428.70 - Step 6: Final answer
x = 24,263,947.05
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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.