Finding the Fourth Proportional to 167,597,501.70, 251,396,252.55 and 81,504,059.70
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Solution
The fourth proportional to 167,597,501.70, 251,396,252.55 and 81,504,059.70 is: 122,256,089.55
Step by Step Solution
- Step 1: Write the proportion equation
167,597,501.70 : 251,396,252.55 = 81,504,059.70 : x - Step 2: Convert to fraction form
167,597,501.70/251,396,252.55 = 81,504,059.70/x - Step 3: Cross multiply
167,597,501.70x = 251,396,252.55 × 81,504,059.70 - Step 4: Simplify right side
167,597,501.70x = 20,489,815,176,191,480 - Step 5: Solve for x
x = 20,489,815,176,191,480/167,597,501.70 - Step 6: Final answer
x = 122,256,089.55
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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.