Finding the Fourth Proportional to 84,572,353.80, 126,858,530.70 and 64,416,961.80
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Solution
The fourth proportional to 84,572,353.80, 126,858,530.70 and 64,416,961.80 is: 96,625,442.70
Step by Step Solution
- Step 1: Write the proportion equation
84,572,353.80 : 126,858,530.70 = 64,416,961.80 : x - Step 2: Convert to fraction form
84,572,353.80/126,858,530.70 = 64,416,961.80/x - Step 3: Cross multiply
84,572,353.80x = 126,858,530.70 × 64,416,961.80 - Step 4: Simplify right side
84,572,353.80x = 8,171,841,126,106,027 - Step 5: Solve for x
x = 8,171,841,126,106,027/84,572,353.80 - Step 6: Final answer
x = 96,625,442.70
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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.