Finding the Fourth Proportional to 291,523,992.22, 437,286,815.88 and 84,279,272.23
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Solution
The fourth proportional to 291,523,992.22, 437,286,815.88 and 84,279,272.23 is: 126,419,147.59
Step by Step Solution
- Step 1: Write the proportion equation
291,523,992.22 : 437,286,815.88 = 84,279,272.23 : x - Step 2: Convert to fraction form
291,523,992.22/437,286,815.88 = 84,279,272.23/x - Step 3: Cross multiply
291,523,992.22x = 437,286,815.88 × 84,279,272.23 - Step 4: Simplify right side
291,523,992.22x = 36,854,214,598,140,408 - Step 5: Solve for x
x = 36,854,214,598,140,408/291,523,992.22 - Step 6: Final answer
x = 126,419,147.59
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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.