Finding the Fourth Proportional to 186,391,077.19, 279,626,974.13 and 71,375,623.63
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Solution
The fourth proportional to 186,391,077.19, 279,626,974.13 and 71,375,623.63 is: 107,078,890.06
Step by Step Solution
- Step 1: Write the proportion equation
186,391,077.19 : 279,626,974.13 = 71,375,623.63 : x - Step 2: Convert to fraction form
186,391,077.19/279,626,974.13 = 71,375,623.63/x - Step 3: Cross multiply
186,391,077.19x = 279,626,974.13 × 71,375,623.63 - Step 4: Simplify right side
186,391,077.19x = 19,958,549,661,777,996 - Step 5: Solve for x
x = 19,958,549,661,777,996/186,391,077.19 - Step 6: Final answer
x = 107,078,890.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.