Finding the Fourth Proportional to 221,616,122.85, 332,424,184.28 and 147,639,535.65
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Solution
The fourth proportional to 221,616,122.85, 332,424,184.28 and 147,639,535.65 is: 221,459,303.48
Step by Step Solution
- Step 1: Write the proportion equation
221,616,122.85 : 332,424,184.28 = 147,639,535.65 : x - Step 2: Convert to fraction form
221,616,122.85/332,424,184.28 = 147,639,535.65/x - Step 3: Cross multiply
221,616,122.85x = 332,424,184.28 × 147,639,535.65 - Step 4: Simplify right side
221,616,122.85x = 49,078,952,205,191,032 - Step 5: Solve for x
x = 49,078,952,205,191,032/221,616,122.85 - Step 6: Final answer
x = 221,459,303.48
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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.