Finding the Fourth Proportional to 62,208,078.20, 93,312,117.30 and 33,542,631.80
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Solution
The fourth proportional to 62,208,078.20, 93,312,117.30 and 33,542,631.80 is: 50,313,947.70
Step by Step Solution
- Step 1: Write the proportion equation
62,208,078.20 : 93,312,117.30 = 33,542,631.80 : x - Step 2: Convert to fraction form
62,208,078.20/93,312,117.30 = 33,542,631.80/x - Step 3: Cross multiply
62,208,078.20x = 93,312,117.30 × 33,542,631.80 - Step 4: Simplify right side
62,208,078.20x = 3,129,933,993,072,310 - Step 5: Solve for x
x = 3,129,933,993,072,310/62,208,078.20 - Step 6: Final answer
x = 50,313,947.70
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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.