Finding the Fourth Proportional to 93,322,457.10, 128,764,379.70 and 54,141,542.64
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Solution
The fourth proportional to 93,322,457.10, 128,764,379.70 and 54,141,542.64 is: 74,703,371.20
Step by Step Solution
- Step 1: Write the proportion equation
93,322,457.10 : 128,764,379.70 = 54,141,542.64 : x - Step 2: Convert to fraction form
93,322,457.10/128,764,379.70 = 54,141,542.64/x - Step 3: Cross multiply
93,322,457.10x = 128,764,379.70 × 54,141,542.64 - Step 4: Simplify right side
93,322,457.10x = 6,971,502,154,040,701 - Step 5: Solve for x
x = 6,971,502,154,040,701/93,322,457.10 - Step 6: Final answer
x = 74,703,371.20
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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.