Finding the Fourth Proportional to 88,416,203.70, 132,624,305.55 and 80,763,453.30
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Solution
The fourth proportional to 88,416,203.70, 132,624,305.55 and 80,763,453.30 is: 121,145,179.95
Step by Step Solution
- Step 1: Write the proportion equation
88,416,203.70 : 132,624,305.55 = 80,763,453.30 : x - Step 2: Convert to fraction form
88,416,203.70/132,624,305.55 = 80,763,453.30/x - Step 3: Cross multiply
88,416,203.70x = 132,624,305.55 × 80,763,453.30 - Step 4: Simplify right side
88,416,203.70x = 10,711,196,907,732,356 - Step 5: Solve for x
x = 10,711,196,907,732,356/88,416,203.70 - Step 6: Final answer
x = 121,145,179.95
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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.