Finding the Fourth Proportional to 248,497,883.70, 372,746,825.55 and 84,920,343.90
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Solution
The fourth proportional to 248,497,883.70, 372,746,825.55 and 84,920,343.90 is: 127,380,515.85
Step by Step Solution
- Step 1: Write the proportion equation
248,497,883.70 : 372,746,825.55 = 84,920,343.90 : x - Step 2: Convert to fraction form
248,497,883.70/372,746,825.55 = 84,920,343.90/x - Step 3: Cross multiply
248,497,883.70x = 372,746,825.55 × 84,920,343.90 - Step 4: Simplify right side
248,497,883.70x = 31,653,788,613,339,308 - Step 5: Solve for x
x = 31,653,788,613,339,308/248,497,883.70 - Step 6: Final answer
x = 127,380,515.85
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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.