Finding the Fourth Proportional to 79,115,974.56, 118,461,342.24 and 50,205,584.16
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Solution
The fourth proportional to 79,115,974.56, 118,461,342.24 and 50,205,584.16 is: 75,173,451.64
Step by Step Solution
- Step 1: Write the proportion equation
79,115,974.56 : 118,461,342.24 = 50,205,584.16 : x - Step 2: Convert to fraction form
79,115,974.56/118,461,342.24 = 50,205,584.16/x - Step 3: Cross multiply
79,115,974.56x = 118,461,342.24 × 50,205,584.16 - Step 4: Simplify right side
79,115,974.56x = 5,947,420,887,536,882 - Step 5: Solve for x
x = 5,947,420,887,536,882/79,115,974.56 - Step 6: Final answer
x = 75,173,451.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.