Finding the Fourth Proportional to 258,965,933.88, 357,368,818.14 and 141,488,743.80
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Solution
The fourth proportional to 258,965,933.88, 357,368,818.14 and 141,488,743.80 is: 195,252,187.79
Step by Step Solution
- Step 1: Write the proportion equation
258,965,933.88 : 357,368,818.14 = 141,488,743.80 : x - Step 2: Convert to fraction form
258,965,933.88/357,368,818.14 = 141,488,743.80/x - Step 3: Cross multiply
258,965,933.88x = 357,368,818.14 × 141,488,743.80 - Step 4: Simplify right side
258,965,933.88x = 50,563,665,151,919,256 - Step 5: Solve for x
x = 50,563,665,151,919,256/258,965,933.88 - Step 6: Final answer
x = 195,252,187.79
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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.