Finding the Fourth Proportional to 69,984,117.70, 104,976,176.55 and 21,461,586.10
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Solution
The fourth proportional to 69,984,117.70, 104,976,176.55 and 21,461,586.10 is: 32,192,379.15
Step by Step Solution
- Step 1: Write the proportion equation
69,984,117.70 : 104,976,176.55 = 21,461,586.10 : x - Step 2: Convert to fraction form
69,984,117.70/104,976,176.55 = 21,461,586.10/x - Step 3: Cross multiply
69,984,117.70x = 104,976,176.55 × 21,461,586.10 - Step 4: Simplify right side
69,984,117.70x = 2,252,955,251,476,626 - Step 5: Solve for x
x = 2,252,955,251,476,626/69,984,117.70 - Step 6: Final answer
x = 32,192,379.15
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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.