Finding the Fourth Proportional to 122,393,037.70, 183,589,556.55 and 115,212,679.30
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Solution
The fourth proportional to 122,393,037.70, 183,589,556.55 and 115,212,679.30 is: 172,819,018.95
Step by Step Solution
- Step 1: Write the proportion equation
122,393,037.70 : 183,589,556.55 = 115,212,679.30 : x - Step 2: Convert to fraction form
122,393,037.70/183,589,556.55 = 115,212,679.30/x - Step 3: Cross multiply
122,393,037.70x = 183,589,556.55 × 115,212,679.30 - Step 4: Simplify right side
122,393,037.70x = 21,151,844,701,624,364 - Step 5: Solve for x
x = 21,151,844,701,624,364/122,393,037.70 - Step 6: Final answer
x = 172,819,018.95
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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.