Finding the Fourth Proportional to 134,995,205.16, 186,292,515.30 and 76,276,879.56
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Solution
The fourth proportional to 134,995,205.16, 186,292,515.30 and 76,276,879.56 is: 105,261,603.44
Step by Step Solution
- Step 1: Write the proportion equation
134,995,205.16 : 186,292,515.30 = 76,276,879.56 : x - Step 2: Convert to fraction form
134,995,205.16/186,292,515.30 = 76,276,879.56/x - Step 3: Cross multiply
134,995,205.16x = 186,292,515.30 × 76,276,879.56 - Step 4: Simplify right side
134,995,205.16x = 14,209,811,752,467,558 - Step 5: Solve for x
x = 14,209,811,752,467,558/134,995,205.16 - Step 6: Final answer
x = 105,261,603.44
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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.