Finding the Fourth Proportional to 69,977,266.20, 104,965,899.30 and 44,531,083.80
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Solution
The fourth proportional to 69,977,266.20, 104,965,899.30 and 44,531,083.80 is: 66,796,625.70
Step by Step Solution
- Step 1: Write the proportion equation
69,977,266.20 : 104,965,899.30 = 44,531,083.80 : x - Step 2: Convert to fraction form
69,977,266.20/104,965,899.30 = 44,531,083.80/x - Step 3: Cross multiply
69,977,266.20x = 104,965,899.30 × 44,531,083.80 - Step 4: Simplify right side
69,977,266.20x = 4,674,245,257,870,661 - Step 5: Solve for x
x = 4,674,245,257,870,661/69,977,266.20 - Step 6: Final answer
x = 66,796,625.70
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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.