Finding the Fourth Proportional to 48,840,107.20, 73,260,160.80 and 20,106,863.80
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Solution
The fourth proportional to 48,840,107.20, 73,260,160.80 and 20,106,863.80 is: 30,160,295.70
Step by Step Solution
- Step 1: Write the proportion equation
48,840,107.20 : 73,260,160.80 = 20,106,863.80 : x - Step 2: Convert to fraction form
48,840,107.20/73,260,160.80 = 20,106,863.80/x - Step 3: Cross multiply
48,840,107.20x = 73,260,160.80 × 20,106,863.80 - Step 4: Simplify right side
48,840,107.20x = 1,473,032,075,171,699 - Step 5: Solve for x
x = 1,473,032,075,171,699/48,840,107.20 - Step 6: Final answer
x = 30,160,295.70
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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.