Finding the Fourth Proportional to 77,754,107.05, 116,648,556.94 and 29,232,381.30
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Solution
The fourth proportional to 77,754,107.05, 116,648,556.94 and 29,232,381.30 is: 43,855,112.27
Step by Step Solution
- Step 1: Write the proportion equation
77,754,107.05 : 116,648,556.94 = 29,232,381.30 : x - Step 2: Convert to fraction form
77,754,107.05/116,648,556.94 = 29,232,381.30/x - Step 3: Cross multiply
77,754,107.05x = 116,648,556.94 × 29,232,381.30 - Step 4: Simplify right side
77,754,107.05x = 3,409,915,094,163,949.50 - Step 5: Solve for x
x = 3,409,915,094,163,949.50/77,754,107.05 - Step 6: Final answer
x = 43,855,112.27
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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.