Finding the Fourth Proportional to 77,102,249.05, 115,641,997.40 and 22,500,173.88
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Solution
The fourth proportional to 77,102,249.05, 115,641,997.40 and 22,500,173.88 is: 33,746,941.00
Step by Step Solution
- Step 1: Write the proportion equation
77,102,249.05 : 115,641,997.40 = 22,500,173.88 : x - Step 2: Convert to fraction form
77,102,249.05/115,641,997.40 = 22,500,173.88/x - Step 3: Cross multiply
77,102,249.05x = 115,641,997.40 × 22,500,173.88 - Step 4: Simplify right side
77,102,249.05x = 2,601,965,049,330,508 - Step 5: Solve for x
x = 2,601,965,049,330,508/77,102,249.05 - Step 6: Final answer
x = 33,746,941.00
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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.