Finding the Fourth Proportional to 79,476,307.99, 119,220,137.08 and 21,183,680.62
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Solution
The fourth proportional to 79,476,307.99, 119,220,137.08 and 21,183,680.62 is: 31,777,033.58
Step by Step Solution
- Step 1: Write the proportion equation
79,476,307.99 : 119,220,137.08 = 21,183,680.62 : x - Step 2: Convert to fraction form
79,476,307.99/119,220,137.08 = 21,183,680.62/x - Step 3: Cross multiply
79,476,307.99x = 119,220,137.08 × 21,183,680.62 - Step 4: Simplify right side
79,476,307.99x = 2,525,521,307,471,405.50 - Step 5: Solve for x
x = 2,525,521,307,471,405.50/79,476,307.99 - Step 6: Final answer
x = 31,777,033.58
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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.