Finding the Fourth Proportional to 126,070,903.98, 188,718,496.82 and 82,257,320.99
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Solution
The fourth proportional to 126,070,903.98, 188,718,496.82 and 82,257,320.99 is: 123,132,915.53
Step by Step Solution
- Step 1: Write the proportion equation
126,070,903.98 : 188,718,496.82 = 82,257,320.99 : x - Step 2: Convert to fraction form
126,070,903.98/188,718,496.82 = 82,257,320.99/x - Step 3: Cross multiply
126,070,903.98x = 188,718,496.82 × 82,257,320.99 - Step 4: Simplify right side
126,070,903.98x = 15,523,477,970,042,010 - Step 5: Solve for x
x = 15,523,477,970,042,010/126,070,903.98 - Step 6: Final answer
x = 123,132,915.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.