Finding the Fourth Proportional to 73,474,865.12, 101,395,284.56 and 40,435,114.24
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Solution
The fourth proportional to 73,474,865.12, 101,395,284.56 and 40,435,114.24 is: 55,800,441.52
Step by Step Solution
- Step 1: Write the proportion equation
73,474,865.12 : 101,395,284.56 = 40,435,114.24 : x - Step 2: Convert to fraction form
73,474,865.12/101,395,284.56 = 40,435,114.24/x - Step 3: Cross multiply
73,474,865.12x = 101,395,284.56 × 40,435,114.24 - Step 4: Simplify right side
73,474,865.12x = 4,099,929,914,580,908.50 - Step 5: Solve for x
x = 4,099,929,914,580,908.50/73,474,865.12 - Step 6: Final answer
x = 55,800,441.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.