Finding the Fourth Proportional to 202,761,020.97, 279,815,710.86 and 114,668,191.98
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Solution
The fourth proportional to 202,761,020.97, 279,815,710.86 and 114,668,191.98 is: 158,245,216.45
Step by Step Solution
- Step 1: Write the proportion equation
202,761,020.97 : 279,815,710.86 = 114,668,191.98 : x - Step 2: Convert to fraction form
202,761,020.97/279,815,710.86 = 114,668,191.98/x - Step 3: Cross multiply
202,761,020.97x = 279,815,710.86 × 114,668,191.98 - Step 4: Simplify right side
202,761,020.97x = 32,085,961,651,914,652 - Step 5: Solve for x
x = 32,085,961,651,914,652/202,761,020.97 - Step 6: Final answer
x = 158,245,216.45
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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.