Finding the Fourth Proportional to 137,934,525.81, 190,395,771.22 and 82,197,424.29
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Solution
The fourth proportional to 137,934,525.81, 190,395,771.22 and 82,197,424.29 is: 113,459,932.52
Step by Step Solution
- Step 1: Write the proportion equation
137,934,525.81 : 190,395,771.22 = 82,197,424.29 : x - Step 2: Convert to fraction form
137,934,525.81/190,395,771.22 = 82,197,424.29/x - Step 3: Cross multiply
137,934,525.81x = 190,395,771.22 × 82,197,424.29 - Step 4: Simplify right side
137,934,525.81x = 15,650,041,990,216,544 - Step 5: Solve for x
x = 15,650,041,990,216,544/137,934,525.81 - Step 6: Final answer
x = 113,459,932.52
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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.