Finding the Fourth Proportional to 48,959,350.40, 73,457,104.80 and 20,207,979.20
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Solution
The fourth proportional to 48,959,350.40, 73,457,104.80 and 20,207,979.20 is: 30,319,430.99
Step by Step Solution
- Step 1: Write the proportion equation
48,959,350.40 : 73,457,104.80 = 20,207,979.20 : x - Step 2: Convert to fraction form
48,959,350.40/73,457,104.80 = 20,207,979.20/x - Step 3: Cross multiply
48,959,350.40x = 73,457,104.80 × 20,207,979.20 - Step 4: Simplify right side
48,959,350.40x = 1,484,419,645,890,620 - Step 5: Solve for x
x = 1,484,419,645,890,620/48,959,350.40 - Step 6: Final answer
x = 30,319,430.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.