Finding the Fourth Proportional to 123,057,752.18, 169,819,278.10 and 68,052,427.70
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Solution
The fourth proportional to 123,057,752.18, 169,819,278.10 and 68,052,427.70 is: 93,912,118.01
Step by Step Solution
- Step 1: Write the proportion equation
123,057,752.18 : 169,819,278.10 = 68,052,427.70 : x - Step 2: Convert to fraction form
123,057,752.18/169,819,278.10 = 68,052,427.70/x - Step 3: Cross multiply
123,057,752.18x = 169,819,278.10 × 68,052,427.70 - Step 4: Simplify right side
123,057,752.18x = 11,556,614,143,947,214 - Step 5: Solve for x
x = 11,556,614,143,947,214/123,057,752.18 - Step 6: Final answer
x = 93,912,118.01
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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.