Finding the Fourth Proportional to 270,692,153.12, 405,674,524.28 and 147,686,149.68
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Solution
The fourth proportional to 270,692,153.12, 405,674,524.28 and 147,686,149.68 is: 221,330,791.55
Step by Step Solution
- Step 1: Write the proportion equation
270,692,153.12 : 405,674,524.28 = 147,686,149.68 : x - Step 2: Convert to fraction form
270,692,153.12/405,674,524.28 = 147,686,149.68/x - Step 3: Cross multiply
270,692,153.12x = 405,674,524.28 × 147,686,149.68 - Step 4: Simplify right side
270,692,153.12x = 59,912,508,514,548,096 - Step 5: Solve for x
x = 59,912,508,514,548,096/270,692,153.12 - Step 6: Final answer
x = 221,330,791.55
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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.