Finding the Fourth Proportional to 75,853,810.92, 113,780,771.88 and 18,346,137.48
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Solution
The fourth proportional to 75,853,810.92, 113,780,771.88 and 18,346,137.48 is: 27,519,219.64
Step by Step Solution
- Step 1: Write the proportion equation
75,853,810.92 : 113,780,771.88 = 18,346,137.48 : x - Step 2: Convert to fraction form
75,853,810.92/113,780,771.88 = 18,346,137.48/x - Step 3: Cross multiply
75,853,810.92x = 113,780,771.88 × 18,346,137.48 - Step 4: Simplify right side
75,853,810.92x = 2,087,437,683,490,998 - Step 5: Solve for x
x = 2,087,437,683,490,998/75,853,810.92 - Step 6: Final answer
x = 27,519,219.64
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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.