Finding the Fourth Proportional to 115,819,012.62, 173,728,372.19 and 29,557,421.28
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Solution
The fourth proportional to 115,819,012.62, 173,728,372.19 and 29,557,421.28 is: 44,336,094.47
Step by Step Solution
- Step 1: Write the proportion equation
115,819,012.62 : 173,728,372.19 = 29,557,421.28 : x - Step 2: Convert to fraction form
115,819,012.62/173,728,372.19 = 29,557,421.28/x - Step 3: Cross multiply
115,819,012.62x = 173,728,372.19 × 29,557,421.28 - Step 4: Simplify right side
115,819,012.62x = 5,134,962,684,960,679 - Step 5: Solve for x
x = 5,134,962,684,960,679/115,819,012.62 - Step 6: Final answer
x = 44,336,094.47
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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.