Finding the Fourth Proportional to 97,620,719.16, 134,716,222.87 and 53,568,455.20
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Solution
The fourth proportional to 97,620,719.16, 134,716,222.87 and 53,568,455.20 is: 73,924,265.38
Step by Step Solution
- Step 1: Write the proportion equation
97,620,719.16 : 134,716,222.87 = 53,568,455.20 : x - Step 2: Convert to fraction form
97,620,719.16/134,716,222.87 = 53,568,455.20/x - Step 3: Cross multiply
97,620,719.16x = 134,716,222.87 × 53,568,455.20 - Step 4: Simplify right side
97,620,719.16x = 7,216,539,949,524,811 - Step 5: Solve for x
x = 7,216,539,949,524,811/97,620,719.16 - Step 6: Final answer
x = 73,924,265.38
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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.