Finding the Fourth Proportional to 53,260,346.40, 79,819,895.16 and 27,351,601.08
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Solution
The fourth proportional to 53,260,346.40, 79,819,895.16 and 27,351,601.08 is: 40,991,132.77
Step by Step Solution
- Step 1: Write the proportion equation
53,260,346.40 : 79,819,895.16 = 27,351,601.08 : x - Step 2: Convert to fraction form
53,260,346.40/79,819,895.16 = 27,351,601.08/x - Step 3: Cross multiply
53,260,346.40x = 79,819,895.16 × 27,351,601.08 - Step 4: Simplify right side
53,260,346.40x = 2,183,201,930,663,742.50 - Step 5: Solve for x
x = 2,183,201,930,663,742.50/53,260,346.40 - Step 6: Final answer
x = 40,991,132.77
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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.