Finding the Fourth Proportional to 80,753,677.20, 121,130,515.80 and 46,741,453.20
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Solution
The fourth proportional to 80,753,677.20, 121,130,515.80 and 46,741,453.20 is: 70,112,179.80
Step by Step Solution
- Step 1: Write the proportion equation
80,753,677.20 : 121,130,515.80 = 46,741,453.20 : x - Step 2: Convert to fraction form
80,753,677.20/121,130,515.80 = 46,741,453.20/x - Step 3: Cross multiply
80,753,677.20x = 121,130,515.80 × 46,741,453.20 - Step 4: Simplify right side
80,753,677.20x = 5,661,816,335,357,561 - Step 5: Solve for x
x = 5,661,816,335,357,561/80,753,677.20 - Step 6: Final answer
x = 70,112,179.80
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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.