Finding the Fourth Proportional to 115,561,442.34, 159,346,715.67 and 73,679,167.62
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Solution
The fourth proportional to 115,561,442.34, 159,346,715.67 and 73,679,167.62 is: 101,595,593.96
Step by Step Solution
- Step 1: Write the proportion equation
115,561,442.34 : 159,346,715.67 = 73,679,167.62 : x - Step 2: Convert to fraction form
115,561,442.34/159,346,715.67 = 73,679,167.62/x - Step 3: Cross multiply
115,561,442.34x = 159,346,715.67 × 73,679,167.62 - Step 4: Simplify right side
115,561,442.34x = 11,740,533,373,546,410 - Step 5: Solve for x
x = 11,740,533,373,546,410/115,561,442.34 - Step 6: Final answer
x = 101,595,593.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.