Finding the Fourth Proportional to 115,930,297.98, 159,984,160.29 and 63,724,683.42
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Solution
The fourth proportional to 115,930,297.98, 159,984,160.29 and 63,724,683.42 is: 87,940,255.00
Step by Step Solution
- Step 1: Write the proportion equation
115,930,297.98 : 159,984,160.29 = 63,724,683.42 : x - Step 2: Convert to fraction form
115,930,297.98/159,984,160.29 = 63,724,683.42/x - Step 3: Cross multiply
115,930,297.98x = 159,984,160.29 × 63,724,683.42 - Step 4: Simplify right side
115,930,297.98x = 10,194,939,966,694,786 - Step 5: Solve for x
x = 10,194,939,966,694,786/115,930,297.98 - Step 6: Final answer
x = 87,940,255.00
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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.