Finding the Fourth Proportional to 135,419,185.53, 186,935,688.61 and 91,425,777.84
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Solution
The fourth proportional to 135,419,185.53, 186,935,688.61 and 91,425,777.84 is: 126,206,199.44
Step by Step Solution
- Step 1: Write the proportion equation
135,419,185.53 : 186,935,688.61 = 91,425,777.84 : x - Step 2: Convert to fraction form
135,419,185.53/186,935,688.61 = 91,425,777.84/x - Step 3: Cross multiply
135,419,185.53x = 186,935,688.61 × 91,425,777.84 - Step 4: Simplify right side
135,419,185.53x = 17,090,740,736,996,714 - Step 5: Solve for x
x = 17,090,740,736,996,714/135,419,185.53 - Step 6: Final answer
x = 126,206,199.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.