Finding the Fourth Proportional to 211,207,390.56, 316,811,338.56 and 57,854,769.12
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Solution
The fourth proportional to 211,207,390.56, 316,811,338.56 and 57,854,769.12 is: 86,782,222.91
Step by Step Solution
- Step 1: Write the proportion equation
211,207,390.56 : 316,811,338.56 = 57,854,769.12 : x - Step 2: Convert to fraction form
211,207,390.56/316,811,338.56 = 57,854,769.12/x - Step 3: Cross multiply
211,207,390.56x = 316,811,338.56 × 57,854,769.12 - Step 4: Simplify right side
211,207,390.56x = 18,329,046,846,986,952 - Step 5: Solve for x
x = 18,329,046,846,986,952/211,207,390.56 - Step 6: Final answer
x = 86,782,222.91
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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.