Finding the Fourth Proportional to 307,115,190, 423,821,782.24 and 174,954,227.76
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Solution
The fourth proportional to 307,115,190, 423,821,782.24 and 174,954,227.76 is: 241,438,440.80
Step by Step Solution
- Step 1: Write the proportion equation
307,115,190 : 423,821,782.24 = 174,954,227.76 : x - Step 2: Convert to fraction form
307,115,190/423,821,782.24 = 174,954,227.76/x - Step 3: Cross multiply
307,115,190x = 423,821,782.24 × 174,954,227.76 - Step 4: Simplify right side
307,115,190x = 74,149,412,619,666,080 - Step 5: Solve for x
x = 74,149,412,619,666,080/307,115,190 - Step 6: Final answer
x = 241,438,440.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.