Finding the Fourth Proportional to 69,891,057.92, 104,836,586.98 and 21,368,911.88
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Solution
The fourth proportional to 69,891,057.92, 104,836,586.98 and 21,368,911.88 is: 32,053,367.85
Step by Step Solution
- Step 1: Write the proportion equation
69,891,057.92 : 104,836,586.98 = 21,368,911.88 : x - Step 2: Convert to fraction form
69,891,057.92/104,836,586.98 = 21,368,911.88/x - Step 3: Cross multiply
69,891,057.92x = 104,836,586.98 × 21,368,911.88 - Step 4: Simplify right side
69,891,057.92x = 2,240,243,788,975,575.25 - Step 5: Solve for x
x = 2,240,243,788,975,575.25/69,891,057.92 - Step 6: Final answer
x = 32,053,367.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.