Finding the Fourth Proportional to 115,078,693.98, 172,618,154.37 and 32,077,132.14
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Solution
The fourth proportional to 115,078,693.98, 172,618,154.37 and 32,077,132.14 is: 48,115,729.82
Step by Step Solution
- Step 1: Write the proportion equation
115,078,693.98 : 172,618,154.37 = 32,077,132.14 : x - Step 2: Convert to fraction form
115,078,693.98/172,618,154.37 = 32,077,132.14/x - Step 3: Cross multiply
115,078,693.98x = 172,618,154.37 × 32,077,132.14 - Step 4: Simplify right side
115,078,693.98x = 5,537,095,347,489,409 - Step 5: Solve for x
x = 5,537,095,347,489,409/115,078,693.98 - Step 6: Final answer
x = 48,115,729.82
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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.