Finding the Fourth Proportional to 203,542,460.84, 280,888,383.38 and 110,722,747.25
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Solution
The fourth proportional to 203,542,460.84, 280,888,383.38 and 110,722,747.25 is: 152,797,275.57
Step by Step Solution
- Step 1: Write the proportion equation
203,542,460.84 : 280,888,383.38 = 110,722,747.25 : x - Step 2: Convert to fraction form
203,542,460.84/280,888,383.38 = 110,722,747.25/x - Step 3: Cross multiply
203,542,460.84x = 280,888,383.38 × 110,722,747.25 - Step 4: Simplify right side
203,542,460.84x = 31,100,733,478,593,448 - Step 5: Solve for x
x = 31,100,733,478,593,448/203,542,460.84 - Step 6: Final answer
x = 152,797,275.57
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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.