Finding the Fourth Proportional to 170,221,557.70, 255,332,336.55 and 170,221,557.70
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Solution
The fourth proportional to 170,221,557.70, 255,332,336.55 and 170,221,557.70 is: 255,332,336.55
Step by Step Solution
- Step 1: Write the proportion equation
170,221,557.70 : 255,332,336.55 = 170,221,557.70 : x - Step 2: Convert to fraction form
170,221,557.70/255,332,336.55 = 170,221,557.70/x - Step 3: Cross multiply
170,221,557.70x = 255,332,336.55 × 170,221,557.70 - Step 4: Simplify right side
170,221,557.70x = 43,463,068,058,721,640 - Step 5: Solve for x
x = 43,463,068,058,721,640/170,221,557.70 - Step 6: Final answer
x = 255,332,336.55
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1.5x scale
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.