Finding the Fourth Proportional to 269,736,351.13, 372,236,160.09 and 145,977,028.21
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Solution
The fourth proportional to 269,736,351.13, 372,236,160.09 and 145,977,028.21 is: 201,448,296.51
Step by Step Solution
- Step 1: Write the proportion equation
269,736,351.13 : 372,236,160.09 = 145,977,028.21 : x - Step 2: Convert to fraction form
269,736,351.13/372,236,160.09 = 145,977,028.21/x - Step 3: Cross multiply
269,736,351.13x = 372,236,160.09 × 145,977,028.21 - Step 4: Simplify right side
269,736,351.13x = 54,337,928,442,240,008 - Step 5: Solve for x
x = 54,337,928,442,240,008/269,736,351.13 - Step 6: Final answer
x = 201,448,296.51
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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.