Finding the Fourth Proportional to 319,819,035.36, 441,373,107.26 and 176,761,720.96
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Solution
The fourth proportional to 319,819,035.36, 441,373,107.26 and 176,761,720.96 is: 243,943,797.58
Step by Step Solution
- Step 1: Write the proportion equation
319,819,035.36 : 441,373,107.26 = 176,761,720.96 : x - Step 2: Convert to fraction form
319,819,035.36/441,373,107.26 = 176,761,720.96/x - Step 3: Cross multiply
319,819,035.36x = 441,373,107.26 × 176,761,720.96 - Step 4: Simplify right side
319,819,035.36x = 78,017,870,024,740,272 - Step 5: Solve for x
x = 78,017,870,024,740,272/319,819,035.36 - Step 6: Final answer
x = 243,943,797.58
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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.