Finding the Fourth Proportional to 64,674,064.80, 97,024,575.60 and 21,556,663.20
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Solution
The fourth proportional to 64,674,064.80, 97,024,575.60 and 21,556,663.20 is: 32,339,487.32
Step by Step Solution
- Step 1: Write the proportion equation
64,674,064.80 : 97,024,575.60 = 21,556,663.20 : x - Step 2: Convert to fraction form
64,674,064.80/97,024,575.60 = 21,556,663.20/x - Step 3: Cross multiply
64,674,064.80x = 97,024,575.60 × 21,556,663.20 - Step 4: Simplify right side
64,674,064.80x = 2,091,526,098,332,137.75 - Step 5: Solve for x
x = 2,091,526,098,332,137.75/64,674,064.80 - Step 6: Final answer
x = 32,339,487.32
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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.