Finding the Fourth Proportional to 174,685,415.12, 261,890,058.74 and 87,202,033.48
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Solution
The fourth proportional to 174,685,415.12, 261,890,058.74 and 87,202,033.48 is: 130,734,129.43
Step by Step Solution
- Step 1: Write the proportion equation
174,685,415.12 : 261,890,058.74 = 87,202,033.48 : x - Step 2: Convert to fraction form
174,685,415.12/261,890,058.74 = 87,202,033.48/x - Step 3: Cross multiply
174,685,415.12x = 261,890,058.74 × 87,202,033.48 - Step 4: Simplify right side
174,685,415.12x = 22,837,345,670,324,648 - Step 5: Solve for x
x = 22,837,345,670,324,648/174,685,415.12 - Step 6: Final answer
x = 130,734,129.43
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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.