Finding the Fourth Proportional to 167,326,034.58, 230,937,311.79 and 139,404,468.96
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Solution
The fourth proportional to 167,326,034.58, 230,937,311.79 and 139,404,468.96 is: 192,400,981.68
Step by Step Solution
- Step 1: Write the proportion equation
167,326,034.58 : 230,937,311.79 = 139,404,468.96 : x - Step 2: Convert to fraction form
167,326,034.58/230,937,311.79 = 139,404,468.96/x - Step 3: Cross multiply
167,326,034.58x = 230,937,311.79 × 139,404,468.96 - Step 4: Simplify right side
167,326,034.58x = 32,193,693,313,134,896 - Step 5: Solve for x
x = 32,193,693,313,134,896/167,326,034.58 - Step 6: Final answer
x = 192,400,981.68
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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.