Finding the Fourth Proportional to 70,926,326.80, 106,436,729.40 and 32,568,096.40
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Solution
The fourth proportional to 70,926,326.80, 106,436,729.40 and 32,568,096.40 is: 48,873,835.99
Step by Step Solution
- Step 1: Write the proportion equation
70,926,326.80 : 106,436,729.40 = 32,568,096.40 : x - Step 2: Convert to fraction form
70,926,326.80/106,436,729.40 = 32,568,096.40/x - Step 3: Cross multiply
70,926,326.80x = 106,436,729.40 × 32,568,096.40 - Step 4: Simplify right side
70,926,326.80x = 3,466,441,663,599,914 - Step 5: Solve for x
x = 3,466,441,663,599,914/70,926,326.80 - Step 6: Final answer
x = 48,873,835.99
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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.