Finding the Fourth Proportional to 168,698,220,450.85, 232,810,256,270.05 and 92,577,358,521.19
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Solution
The fourth proportional to 168,698,220,450.85, 232,810,256,270.05 and 92,577,358,521.19 is: 127,760,438,163.02
Step by Step Solution
- Step 1: Write the proportion equation
168,698,220,450.85 : 232,810,256,270.05 = 92,577,358,521.19 : x - Step 2: Convert to fraction form
168,698,220,450.85/232,810,256,270.05 = 92,577,358,521.19/x - Step 3: Cross multiply
168,698,220,450.85x = 232,810,256,270.05 × 92,577,358,521.19 - Step 4: Simplify right side
168,698,220,450.85x = 21,552,958,562,122,541,826,048 - Step 5: Solve for x
x = 21,552,958,562,122,541,826,048/168,698,220,450.85 - Step 6: Final answer
x = 127,760,438,163.02
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1.5x scale
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.