Finding the Fourth Proportional to 211,207,495.72, 316,811,496.22 and 57,854,874.28
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Solution
The fourth proportional to 211,207,495.72, 316,811,496.22 and 57,854,874.28 is: 86,782,380.62
Step by Step Solution
- Step 1: Write the proportion equation
211,207,495.72 : 316,811,496.22 = 57,854,874.28 : x - Step 2: Convert to fraction form
211,207,495.72/316,811,496.22 = 57,854,874.28/x - Step 3: Cross multiply
211,207,495.72x = 316,811,496.22 × 57,854,874.28 - Step 4: Simplify right side
211,207,495.72x = 18,329,089,284,266,796 - Step 5: Solve for x
x = 18,329,089,284,266,796/211,207,495.72 - Step 6: Final answer
x = 86,782,380.62
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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.