Finding the Fourth Proportional to 80,753,670.45, 121,130,505.68 and 46,741,446.45
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Solution
The fourth proportional to 80,753,670.45, 121,130,505.68 and 46,741,446.45 is: 70,112,169.68
Step by Step Solution
- Step 1: Write the proportion equation
80,753,670.45 : 121,130,505.68 = 46,741,446.45 : x - Step 2: Convert to fraction form
80,753,670.45/121,130,505.68 = 46,741,446.45/x - Step 3: Cross multiply
80,753,670.45x = 121,130,505.68 × 46,741,446.45 - Step 4: Simplify right side
80,753,670.45x = 5,661,815,044,469,434 - Step 5: Solve for x
x = 5,661,815,044,469,434/80,753,670.45 - Step 6: Final answer
x = 70,112,169.68
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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.