Finding the Fourth Proportional to 265,128,964.74, 365,922,494.22 and 153,689,514.42
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Solution
The fourth proportional to 265,128,964.74, 365,922,494.22 and 153,689,514.42 is: 212,117,338.85
Step by Step Solution
- Step 1: Write the proportion equation
265,128,964.74 : 365,922,494.22 = 153,689,514.42 : x - Step 2: Convert to fraction form
265,128,964.74/365,922,494.22 = 153,689,514.42/x - Step 3: Cross multiply
265,128,964.74x = 365,922,494.22 × 153,689,514.42 - Step 4: Simplify right side
265,128,964.74x = 56,238,450,452,027,056 - Step 5: Solve for x
x = 56,238,450,452,027,056/265,128,964.74 - Step 6: Final answer
x = 212,117,338.85
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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.