Finding the Fourth Proportional to 79,499,107.80, 119,318,645.70 and 47,110,512.60
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Solution
The fourth proportional to 79,499,107.80, 119,318,645.70 and 47,110,512.60 is: 70,707,240.84
Step by Step Solution
- Step 1: Write the proportion equation
79,499,107.80 : 119,318,645.70 = 47,110,512.60 : x - Step 2: Convert to fraction form
79,499,107.80/119,318,645.70 = 47,110,512.60/x - Step 3: Cross multiply
79,499,107.80x = 119,318,645.70 × 47,110,512.60 - Step 4: Simplify right side
79,499,107.80x = 5,621,162,561,664,786 - Step 5: Solve for x
x = 5,621,162,561,664,786/79,499,107.80 - Step 6: Final answer
x = 70,707,240.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.