Finding the Fourth Proportional to 158,606,649.67, 237,911,615.79 and 47,943,238.62
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Solution
The fourth proportional to 158,606,649.67, 237,911,615.79 and 47,943,238.62 is: 71,915,354.05
Step by Step Solution
- Step 1: Write the proportion equation
158,606,649.67 : 237,911,615.79 = 47,943,238.62 : x - Step 2: Convert to fraction form
158,606,649.67/237,911,615.79 = 47,943,238.62/x - Step 3: Cross multiply
158,606,649.67x = 237,911,615.79 × 47,943,238.62 - Step 4: Simplify right side
158,606,649.67x = 11,406,253,366,289,728 - Step 5: Solve for x
x = 11,406,253,366,289,728/158,606,649.67 - Step 6: Final answer
x = 71,915,354.05
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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.