Finding the Fourth Proportional to 84,054,605.40, 126,081,908.10 and 29,528,758.80
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Solution
The fourth proportional to 84,054,605.40, 126,081,908.10 and 29,528,758.80 is: 44,293,138.20
Step by Step Solution
- Step 1: Write the proportion equation
84,054,605.40 : 126,081,908.10 = 29,528,758.80 : x - Step 2: Convert to fraction form
84,054,605.40/126,081,908.10 = 29,528,758.80/x - Step 3: Cross multiply
84,054,605.40x = 126,081,908.10 × 29,528,758.80 - Step 4: Simplify right side
84,054,605.40x = 3,723,042,253,328,666 - Step 5: Solve for x
x = 3,723,042,253,328,666/84,054,605.40 - Step 6: Final answer
x = 44,293,138.20
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1.5x scale
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.