Finding the Fourth Proportional to 269,528,478.54, 371,949,297.48 and 145,769,155.62
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Solution
The fourth proportional to 269,528,478.54, 371,949,297.48 and 145,769,155.62 is: 201,161,433.18
Step by Step Solution
- Step 1: Write the proportion equation
269,528,478.54 : 371,949,297.48 = 145,769,155.62 : x - Step 2: Convert to fraction form
269,528,478.54/371,949,297.48 = 145,769,155.62/x - Step 3: Cross multiply
269,528,478.54x = 371,949,297.48 × 145,769,155.62 - Step 4: Simplify right side
269,528,478.54x = 54,218,735,027,111,800 - Step 5: Solve for x
x = 54,218,735,027,111,800/269,528,478.54 - Step 6: Final answer
x = 201,161,433.18
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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.