Finding the Fourth Proportional to 245,199,286.44, 338,377,654.98 and 133,689,215.70
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Solution
The fourth proportional to 245,199,286.44, 338,377,654.98 and 133,689,215.70 is: 184,492,556.90
Step by Step Solution
- Step 1: Write the proportion equation
245,199,286.44 : 338,377,654.98 = 133,689,215.70 : x - Step 2: Convert to fraction form
245,199,286.44/338,377,654.98 = 133,689,215.70/x - Step 3: Cross multiply
245,199,286.44x = 338,377,654.98 × 133,689,215.70 - Step 4: Simplify right side
245,199,286.44x = 45,237,443,304,681,400 - Step 5: Solve for x
x = 45,237,443,304,681,400/245,199,286.44 - Step 6: Final answer
x = 184,492,556.90
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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.