Finding the Fourth Proportional to 82,359,404.36, 113,552,565.86 and 60,294,596.99
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Solution
The fourth proportional to 82,359,404.36, 113,552,565.86 and 60,294,596.99 is: 83,130,836.71
Step by Step Solution
- Step 1: Write the proportion equation
82,359,404.36 : 113,552,565.86 = 60,294,596.99 : x - Step 2: Convert to fraction form
82,359,404.36/113,552,565.86 = 60,294,596.99/x - Step 3: Cross multiply
82,359,404.36x = 113,552,565.86 × 60,294,596.99 - Step 4: Simplify right side
82,359,404.36x = 6,846,606,195,274,515 - Step 5: Solve for x
x = 6,846,606,195,274,515/82,359,404.36 - Step 6: Final answer
x = 83,130,836.71
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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.