Finding the Fourth Proportional to 216,237,652.96, 324,353,872.08 and 86,842,939.36
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Solution
The fourth proportional to 216,237,652.96, 324,353,872.08 and 86,842,939.36 is: 130,263,361.90
Step by Step Solution
- Step 1: Write the proportion equation
216,237,652.96 : 324,353,872.08 = 86,842,939.36 : x - Step 2: Convert to fraction form
216,237,652.96/324,353,872.08 = 86,842,939.36/x - Step 3: Cross multiply
216,237,652.96x = 324,353,872.08 × 86,842,939.36 - Step 4: Simplify right side
216,237,652.96x = 28,167,843,644,224,636 - Step 5: Solve for x
x = 28,167,843,644,224,636/216,237,652.96 - Step 6: Final answer
x = 130,263,361.90
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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.