Finding the Fourth Proportional to 125,542,456.27, 188,315,602.99 and 47,823,675.14
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Solution
The fourth proportional to 125,542,456.27, 188,315,602.99 and 47,823,675.14 is: 71,736,243.57
Step by Step Solution
- Step 1: Write the proportion equation
125,542,456.27 : 188,315,602.99 = 47,823,675.14 : x - Step 2: Convert to fraction form
125,542,456.27/188,315,602.99 = 47,823,675.14/x - Step 3: Cross multiply
125,542,456.27x = 188,315,602.99 × 47,823,675.14 - Step 4: Simplify right side
125,542,456.27x = 9,005,944,221,538,203 - Step 5: Solve for x
x = 9,005,944,221,538,203/125,542,456.27 - Step 6: Final answer
x = 71,736,243.57
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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.