Finding the Fourth Proportional to 72,783,893.04, 109,213,624.20 and 29,684,716.08
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Solution
The fourth proportional to 72,783,893.04, 109,213,624.20 and 29,684,716.08 is: 44,542,484.48
Step by Step Solution
- Step 1: Write the proportion equation
72,783,893.04 : 109,213,624.20 = 29,684,716.08 : x - Step 2: Convert to fraction form
72,783,893.04/109,213,624.20 = 29,684,716.08/x - Step 3: Cross multiply
72,783,893.04x = 109,213,624.20 × 29,684,716.08 - Step 4: Simplify right side
72,783,893.04x = 3,241,975,425,898,749 - Step 5: Solve for x
x = 3,241,975,425,898,749/72,783,893.04 - Step 6: Final answer
x = 44,542,484.48
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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.