Finding the Fourth Proportional to 231,255,680.14, 319,103,418.17 and 132,142,852.18
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Solution
The fourth proportional to 231,255,680.14, 319,103,418.17 and 132,142,852.18 is: 182,340,324.75
Step by Step Solution
- Step 1: Write the proportion equation
231,255,680.14 : 319,103,418.17 = 132,142,852.18 : x - Step 2: Convert to fraction form
231,255,680.14/319,103,418.17 = 132,142,852.18/x - Step 3: Cross multiply
231,255,680.14x = 319,103,418.17 × 132,142,852.18 - Step 4: Simplify right side
231,255,680.14x = 42,167,235,815,114,808 - Step 5: Solve for x
x = 42,167,235,815,114,808/231,255,680.14 - Step 6: Final answer
x = 182,340,324.75
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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.