Finding the Fourth Proportional to 104,438,299.92, 144,116,191.20 and 57,392,899.68
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Solution
The fourth proportional to 104,438,299.92, 144,116,191.20 and 57,392,899.68 is: 79,197,441.07
Step by Step Solution
- Step 1: Write the proportion equation
104,438,299.92 : 144,116,191.20 = 57,392,899.68 : x - Step 2: Convert to fraction form
104,438,299.92/144,116,191.20 = 57,392,899.68/x - Step 3: Cross multiply
104,438,299.92x = 144,116,191.20 × 57,392,899.68 - Step 4: Simplify right side
104,438,299.92x = 8,271,246,103,805,298 - Step 5: Solve for x
x = 8,271,246,103,805,298/104,438,299.92 - Step 6: Final answer
x = 79,197,441.07
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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.