Finding the Fourth Proportional to 253,135,676.41, 379,718,342.78 and 97,690,299.28
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Solution
The fourth proportional to 253,135,676.41, 379,718,342.78 and 97,690,299.28 is: 146,541,171.41
Step by Step Solution
- Step 1: Write the proportion equation
253,135,676.41 : 379,718,342.78 = 97,690,299.28 : x - Step 2: Convert to fraction form
253,135,676.41/379,718,342.78 = 97,690,299.28/x - Step 3: Cross multiply
253,135,676.41x = 379,718,342.78 × 97,690,299.28 - Step 4: Simplify right side
253,135,676.41x = 37,094,798,546,846,080 - Step 5: Solve for x
x = 37,094,798,546,846,080/253,135,676.41 - Step 6: Final answer
x = 146,541,171.41
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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.