Finding the Fourth Proportional to 213,801,347.58, 320,584,850.96 and 66,207,934.08
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Solution
The fourth proportional to 213,801,347.58, 320,584,850.96 and 66,207,934.08 is: 99,275,616.92
Step by Step Solution
- Step 1: Write the proportion equation
213,801,347.58 : 320,584,850.96 = 66,207,934.08 : x - Step 2: Convert to fraction form
213,801,347.58/320,584,850.96 = 66,207,934.08/x - Step 3: Cross multiply
213,801,347.58x = 320,584,850.96 × 66,207,934.08 - Step 4: Simplify right side
213,801,347.58x = 21,225,260,679,406,304 - Step 5: Solve for x
x = 21,225,260,679,406,304/213,801,347.58 - Step 6: Final answer
x = 99,275,616.92
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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.