Finding the Fourth Proportional to 88,432,850.70, 132,649,276.05 and 53,853,756.30
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Solution
The fourth proportional to 88,432,850.70, 132,649,276.05 and 53,853,756.30 is: 80,780,634.45
Step by Step Solution
- Step 1: Write the proportion equation
88,432,850.70 : 132,649,276.05 = 53,853,756.30 : x - Step 2: Convert to fraction form
88,432,850.70/132,649,276.05 = 53,853,756.30/x - Step 3: Cross multiply
88,432,850.70x = 132,649,276.05 × 53,853,756.30 - Step 4: Simplify right side
88,432,850.70x = 7,143,661,785,768,126 - Step 5: Solve for x
x = 7,143,661,785,768,126/88,432,850.70 - Step 6: Final answer
x = 80,780,634.45
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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.