Finding the Fourth Proportional to 213,240,291.68, 319,860,437.40 and 51,682,227.68
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Solution
The fourth proportional to 213,240,291.68, 319,860,437.40 and 51,682,227.68 is: 77,523,341.49
Step by Step Solution
- Step 1: Write the proportion equation
213,240,291.68 : 319,860,437.40 = 51,682,227.68 : x - Step 2: Convert to fraction form
213,240,291.68/319,860,437.40 = 51,682,227.68/x - Step 3: Cross multiply
213,240,291.68x = 319,860,437.40 × 51,682,227.68 - Step 4: Simplify right side
213,240,291.68x = 16,531,099,951,531,186 - Step 5: Solve for x
x = 16,531,099,951,531,186/213,240,291.68 - Step 6: Final answer
x = 77,523,341.49
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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.