Finding the Fourth Proportional to 55,143,605.70, 82,715,408.55 and 14,202,965.70
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Solution
The fourth proportional to 55,143,605.70, 82,715,408.55 and 14,202,965.70 is: 21,304,448.55
Step by Step Solution
- Step 1: Write the proportion equation
55,143,605.70 : 82,715,408.55 = 14,202,965.70 : x - Step 2: Convert to fraction form
55,143,605.70/82,715,408.55 = 14,202,965.70/x - Step 3: Cross multiply
55,143,605.70x = 82,715,408.55 × 14,202,965.70 - Step 4: Simplify right side
55,143,605.70x = 1,174,804,110,497,136.75 - Step 5: Solve for x
x = 1,174,804,110,497,136.75/55,143,605.70 - Step 6: Final answer
x = 21,304,448.55
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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.