Finding the Fourth Proportional to 80,874,090.30, 121,311,135.45 and 50,263,088.70
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Solution
The fourth proportional to 80,874,090.30, 121,311,135.45 and 50,263,088.70 is: 75,394,633.05
Step by Step Solution
- Step 1: Write the proportion equation
80,874,090.30 : 121,311,135.45 = 50,263,088.70 : x - Step 2: Convert to fraction form
80,874,090.30/121,311,135.45 = 50,263,088.70/x - Step 3: Cross multiply
80,874,090.30x = 121,311,135.45 × 50,263,088.70 - Step 4: Simplify right side
80,874,090.30x = 6,097,472,361,421,065 - Step 5: Solve for x
x = 6,097,472,361,421,065/80,874,090.30 - Step 6: Final answer
x = 75,394,633.05
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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.