Finding the Fourth Proportional to 86,134,205.80, 118,844,768.05 and 48,961,568.62
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Solution
The fourth proportional to 86,134,205.80, 118,844,768.05 and 48,961,568.62 is: 67,555,348.21
Step by Step Solution
- Step 1: Write the proportion equation
86,134,205.80 : 118,844,768.05 = 48,961,568.62 : x - Step 2: Convert to fraction form
86,134,205.80/118,844,768.05 = 48,961,568.62/x - Step 3: Cross multiply
86,134,205.80x = 118,844,768.05 × 48,961,568.62 - Step 4: Simplify right side
86,134,205.80x = 5,818,826,266,008,058 - Step 5: Solve for x
x = 5,818,826,266,008,058/86,134,205.80 - Step 6: Final answer
x = 67,555,348.21
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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.