Finding the Fourth Proportional to 127,911,879.44, 176,358,422.76 and 106,749,126.80
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Solution
The fourth proportional to 127,911,879.44, 176,358,422.76 and 106,749,126.80 is: 147,180,290.96
Step by Step Solution
- Step 1: Write the proportion equation
127,911,879.44 : 176,358,422.76 = 106,749,126.80 : x - Step 2: Convert to fraction form
127,911,879.44/176,358,422.76 = 106,749,126.80/x - Step 3: Cross multiply
127,911,879.44x = 176,358,422.76 × 106,749,126.80 - Step 4: Simplify right side
127,911,879.44x = 18,826,107,633,455,244 - Step 5: Solve for x
x = 18,826,107,633,455,244/127,911,879.44 - Step 6: Final answer
x = 147,180,290.96
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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.