Finding the Fourth Proportional to 116,338,555.88, 160,554,390.18 and 64,127,473.96
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Solution
The fourth proportional to 116,338,555.88, 160,554,390.18 and 64,127,473.96 is: 88,499,873.47
Step by Step Solution
- Step 1: Write the proportion equation
116,338,555.88 : 160,554,390.18 = 64,127,473.96 : x - Step 2: Convert to fraction form
116,338,555.88/160,554,390.18 = 64,127,473.96/x - Step 3: Cross multiply
116,338,555.88x = 160,554,390.18 × 64,127,473.96 - Step 4: Simplify right side
116,338,555.88x = 10,295,947,475,431,630 - Step 5: Solve for x
x = 10,295,947,475,431,630/116,338,555.88 - Step 6: Final answer
x = 88,499,873.47
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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.