Finding the Fourth Proportional to 61,207,466.10, 91,789,766.55 and 18,065,246.10
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Solution
The fourth proportional to 61,207,466.10, 91,789,766.55 and 18,065,246.10 is: 27,091,543.37
Step by Step Solution
- Step 1: Write the proportion equation
61,207,466.10 : 91,789,766.55 = 18,065,246.10 : x - Step 2: Convert to fraction form
61,207,466.10/91,789,766.55 = 18,065,246.10/x - Step 3: Cross multiply
61,207,466.10x = 91,789,766.55 × 18,065,246.10 - Step 4: Simplify right side
61,207,466.10x = 1,658,204,722,187,298 - Step 5: Solve for x
x = 1,658,204,722,187,298/61,207,466.10 - Step 6: Final answer
x = 27,091,543.37
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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.