Finding the Fourth Proportional to 117,143,182.74, 175,590,885.69 and 43,319,528.19
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Solution
The fourth proportional to 117,143,182.74, 175,590,885.69 and 43,319,528.19 is: 64,933,478.37
Step by Step Solution
- Step 1: Write the proportion equation
117,143,182.74 : 175,590,885.69 = 43,319,528.19 : x - Step 2: Convert to fraction form
117,143,182.74/175,590,885.69 = 43,319,528.19/x - Step 3: Cross multiply
117,143,182.74x = 175,590,885.69 × 43,319,528.19 - Step 4: Simplify right side
117,143,182.74x = 7,606,514,322,555,022 - Step 5: Solve for x
x = 7,606,514,322,555,022/117,143,182.74 - Step 6: Final answer
x = 64,933,478.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.