Finding the Fourth Proportional to 61,317,541.36, 91,942,102.52 and 20,354,734.88
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Solution
The fourth proportional to 61,317,541.36, 91,942,102.52 and 20,354,734.88 is: 30,520,746.26
Step by Step Solution
- Step 1: Write the proportion equation
61,317,541.36 : 91,942,102.52 = 20,354,734.88 : x - Step 2: Convert to fraction form
61,317,541.36/91,942,102.52 = 20,354,734.88/x - Step 3: Cross multiply
61,317,541.36x = 91,942,102.52 × 20,354,734.88 - Step 4: Simplify right side
61,317,541.36x = 1,871,457,121,104,379.75 - Step 5: Solve for x
x = 1,871,457,121,104,379.75/61,317,541.36 - Step 6: Final answer
x = 30,520,746.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.