Finding the Fourth Proportional to 122,119,736.70, 171,421,127.70 and 122,119,736.70
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Solution
The fourth proportional to 122,119,736.70, 171,421,127.70 and 122,119,736.70 is: 171,421,127.70
Step by Step Solution
- Step 1: Write the proportion equation
122,119,736.70 : 171,421,127.70 = 122,119,736.70 : x - Step 2: Convert to fraction form
122,119,736.70/171,421,127.70 = 122,119,736.70/x - Step 3: Cross multiply
122,119,736.70x = 171,421,127.70 × 122,119,736.70 - Step 4: Simplify right side
122,119,736.70x = 20,933,902,979,541,076 - Step 5: Solve for x
x = 20,933,902,979,541,076/122,119,736.70 - Step 6: Final answer
x = 171,421,127.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.