Finding the Fourth Proportional to 77,863,487.40, 116,803,227.14 and 29,382,142.44
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Solution
The fourth proportional to 77,863,487.40, 116,803,227.14 and 29,382,142.44 is: 44,076,231.00
Step by Step Solution
- Step 1: Write the proportion equation
77,863,487.40 : 116,803,227.14 = 29,382,142.44 : x - Step 2: Convert to fraction form
77,863,487.40/116,803,227.14 = 29,382,142.44/x - Step 3: Cross multiply
77,863,487.40x = 116,803,227.14 × 29,382,142.44 - Step 4: Simplify right side
77,863,487.40x = 3,431,929,057,279,154 - Step 5: Solve for x
x = 3,431,929,057,279,154/77,863,487.40 - Step 6: Final answer
x = 44,076,231.00
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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.