Finding the Fourth Proportional to 302,795,112.13, 417,857,626.67 and 163,565,873.90
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Solution
The fourth proportional to 302,795,112.13, 417,857,626.67 and 163,565,873.90 is: 225,721,106.89
Step by Step Solution
- Step 1: Write the proportion equation
302,795,112.13 : 417,857,626.67 = 163,565,873.90 : x - Step 2: Convert to fraction form
302,795,112.13/417,857,626.67 = 163,565,873.90/x - Step 3: Cross multiply
302,795,112.13x = 417,857,626.67 × 163,565,873.90 - Step 4: Simplify right side
302,795,112.13x = 68,347,247,871,331,720 - Step 5: Solve for x
x = 68,347,247,871,331,720/302,795,112.13 - Step 6: Final answer
x = 225,721,106.89
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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.