Finding the Fourth Proportional to 147,015,368.10, 220,469,908.05 and 74,207,951.10
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Solution
The fourth proportional to 147,015,368.10, 220,469,908.05 and 74,207,951.10 is: 111,285,101.46
Step by Step Solution
- Step 1: Write the proportion equation
147,015,368.10 : 220,469,908.05 = 74,207,951.10 : x - Step 2: Convert to fraction form
147,015,368.10/220,469,908.05 = 74,207,951.10/x - Step 3: Cross multiply
147,015,368.10x = 220,469,908.05 × 74,207,951.10 - Step 4: Simplify right side
147,015,368.10x = 16,360,620,155,595,896 - Step 5: Solve for x
x = 16,360,620,155,595,896/147,015,368.10 - Step 6: Final answer
x = 111,285,101.46
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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.