Finding the Fourth Proportional to 215,476,380.73, 323,259,964.71 and 69,898,575.07
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Solution
The fourth proportional to 215,476,380.73, 323,259,964.71 and 69,898,575.07 is: 104,862,587.88
Step by Step Solution
- Step 1: Write the proportion equation
215,476,380.73 : 323,259,964.71 = 69,898,575.07 : x - Step 2: Convert to fraction form
215,476,380.73/323,259,964.71 = 69,898,575.07/x - Step 3: Cross multiply
215,476,380.73x = 323,259,964.71 × 69,898,575.07 - Step 4: Simplify right side
215,476,380.73x = 22,595,410,910,407,480 - Step 5: Solve for x
x = 22,595,410,910,407,480/215,476,380.73 - Step 6: Final answer
x = 104,862,587.88
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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.