Finding the Fourth Proportional to 97,040,635.74, 133,912,568.79 and 53,579,638.62
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Solution
The fourth proportional to 97,040,635.74, 133,912,568.79 and 53,579,638.62 is: 73,937,964.11
Step by Step Solution
- Step 1: Write the proportion equation
97,040,635.74 : 133,912,568.79 = 53,579,638.62 : x - Step 2: Convert to fraction form
97,040,635.74/133,912,568.79 = 53,579,638.62/x - Step 3: Cross multiply
97,040,635.74x = 133,912,568.79 × 53,579,638.62 - Step 4: Simplify right side
97,040,635.74x = 7,174,987,042,444,091 - Step 5: Solve for x
x = 7,174,987,042,444,091/97,040,635.74 - Step 6: Final answer
x = 73,937,964.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.