Finding the Fourth Proportional to 217,033,976.28, 325,551,081.06 and 80,701,645.08
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Solution
The fourth proportional to 217,033,976.28, 325,551,081.06 and 80,701,645.08 is: 121,052,510.99
Step by Step Solution
- Step 1: Write the proportion equation
217,033,976.28 : 325,551,081.06 = 80,701,645.08 : x - Step 2: Convert to fraction form
217,033,976.28/325,551,081.06 = 80,701,645.08/x - Step 3: Cross multiply
217,033,976.28x = 325,551,081.06 × 80,701,645.08 - Step 4: Simplify right side
217,033,976.28x = 26,272,507,799,114,428 - Step 5: Solve for x
x = 26,272,507,799,114,428/217,033,976.28 - Step 6: Final answer
x = 121,052,510.99
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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.