Finding the Fourth Proportional to 97,620,711.90, 134,716,212.85 and 53,568,447.95
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Solution
The fourth proportional to 97,620,711.90, 134,716,212.85 and 53,568,447.95 is: 73,924,255.36
Step by Step Solution
- Step 1: Write the proportion equation
97,620,711.90 : 134,716,212.85 = 53,568,447.95 : x - Step 2: Convert to fraction form
97,620,711.90/134,716,212.85 = 53,568,447.95/x - Step 3: Cross multiply
97,620,711.90x = 134,716,212.85 × 53,568,447.95 - Step 4: Simplify right side
97,620,711.90x = 7,216,538,435,134,923 - Step 5: Solve for x
x = 7,216,538,435,134,923/97,620,711.90 - Step 6: Final answer
x = 73,924,255.36
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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.