Finding the Fourth Proportional to 203,542,462.74, 280,888,385.97 and 110,722,749.15
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Solution
The fourth proportional to 203,542,462.74, 280,888,385.97 and 110,722,749.15 is: 152,797,278.17
Step by Step Solution
- Step 1: Write the proportion equation
203,542,462.74 : 280,888,385.97 = 110,722,749.15 : x - Step 2: Convert to fraction form
203,542,462.74/280,888,385.97 = 110,722,749.15/x - Step 3: Cross multiply
203,542,462.74x = 280,888,385.97 × 110,722,749.15 - Step 4: Simplify right side
203,542,462.74x = 31,100,734,298,904,696 - Step 5: Solve for x
x = 31,100,734,298,904,696/203,542,462.74 - Step 6: Final answer
x = 152,797,278.17
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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.