Finding the Fourth Proportional to 269,528,462.13, 371,949,274.86 and 145,769,139.26
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Solution
The fourth proportional to 269,528,462.13, 371,949,274.86 and 145,769,139.26 is: 201,161,410.61
Step by Step Solution
- Step 1: Write the proportion equation
269,528,462.13 : 371,949,274.86 = 145,769,139.26 : x - Step 2: Convert to fraction form
269,528,462.13/371,949,274.86 = 145,769,139.26/x - Step 3: Cross multiply
269,528,462.13x = 371,949,274.86 × 145,769,139.26 - Step 4: Simplify right side
269,528,462.13x = 54,218,725,642,863,608 - Step 5: Solve for x
x = 54,218,725,642,863,608/269,528,462.13 - Step 6: Final answer
x = 201,161,410.61
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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.